EVOLUTION-MANAGER

Edit File: insert_year.result

DROP TABLE IF EXISTS t1,t2,t3,t4; CREATE TABLE t1(c1 YEAR(4) NOT NULL, c2 YEAR(4) NULL, c3 DATE, c4 DATETIME, PRIMARY KEY(c1), UNIQUE INDEX(c2)); CREATE TABLE t2(c1 YEAR(4) NOT NULL, c2 YEAR(4) NULL, c3 DATE, c4 DATETIME, PRIMARY KEY(c1,c2)); CREATE TABLE t3(c1 YEAR(4) NOT NULL, c2 YEAR(4) NULL, c3 DATE, c4 DATETIME, UNIQUE INDEX idx(c1,c2)); CREATE TABLE t4(c1 YEAR(4) NOT NULL, c2 YEAR(4) NULL, c3 DATE, c4 DATETIME); INSERT INTO t1 VALUES('1901','1901','98-12-31','98.12.31 11:30:45'),('1999','1999','98-12-30','98.12.30 11:30:45'),('2000','2000','98-12-29','98.12.29 11:30:45'),('2001','2001','98-12-28','98.12.28 11:30:45'),('2099','2099','98-12-27','98.12.27 11:30:45'),('2100','2100','98-12-26','98.12.26 11:30:45'),('2155','2155','98-12-26','98.12.26 11:30:45'); INSERT INTO t2 VALUES('1901','1901','98-12-31','98.12.31 11:30:45'),('1999','1999','98-12-30','98.12.30 11:30:45'),('2000','2000','98-12-29','98.12.29 11:30:45'),('2001','2001','98-12-28','98.12.28 11:30:45'),('2099','2099','98-12-27','98.12.27 11:30:45'),('2100','2100','98-12-26','98.12.26 11:30:45'),('2155','2155','98-12-26','98.12.26 11:30:45'); INSERT INTO t3 VALUES('1901','1901','98-12-31','98.12.31 11:30:45'),('1999','1999','98-12-30','98.12.30 11:30:45'),('2000','2000','98-12-29','98.12.29 11:30:45'),('2001','2001','98-12-28','98.12.28 11:30:45'),('2099','2099','98-12-27','98.12.27 11:30:45'),('2100','2100','98-12-26','98.12.26 11:30:45'),('2155','2155','98-12-26','98.12.26 11:30:45'); INSERT INTO t4 VALUES('1901','1901','98-12-31','98.12.31 11:30:45'),('1999','1999','98-12-30','98.12.30 11:30:45'),('2000','2000','98-12-29','98.12.29 11:30:45'),('2001','2001','98-12-28','98.12.28 11:30:45'),('2099','2099','98-12-27','98.12.27 11:30:45'),('2100','2100','98-12-26','98.12.26 11:30:45'),('2155','2155','98-12-25','98.12.25 11:30:45'); INSERT INTO t4 VALUES(1901,1901,'98-12-24','98.12.24 11:30:45'),(1999,1999,'98-12-23','98.12.23 11:30:45'),(2000,2000,'98-12-22','98.12.22 11:30:45'),(2001,2001,'98-12-21','98.12.21 11:30:45'),(2099,2099,'98-12-20','98.12.20 11:30:45'),(2100,2100,'98-12-19','98.12.19 11:30:45'),(2155,2155,'98-12-18','98.12.18 11:30:45'); INSERT INTO t1 VALUES('20','20','98-12-16','98.12.16 11:30:45'),('40','40','98-12-15','98.12.15 11:30:45'),('60','60','98-12-14','98.12.14 11:30:45'),('69','69','98-12-13','98.12.13 11:30:45'),('70','70','98-12-12','98.12.12 11:30:45'),('90','90','98-12-11','98.12.11 11:30:45'); INSERT INTO t2 VALUES('00','10','98-12-17','98.12.17 11:30:45'),('20','20','98-12-16','98.12.16 11:30:45'),('40','40','98-12-15','98.12.15 11:30:45'),('60','60','98-12-14','98.12.14 11:30:45'),('69','69','98-12-13','98.12.13 11:30:45'),('70','70','98-12-12','98.12.12 11:30:45'),('90','90','98-12-11','98.12.11 11:30:45'),('99','98','98-12-10','98.12.10 11:30:45'); INSERT INTO t3 VALUES('00','10','98-12-17','98.12.17 11:30:45'),('20','20','98-12-16','98.12.16 11:30:45'),('40','40','98-12-15','98.12.15 11:30:45'),('60','60','98-12-14','98.12.14 11:30:45'),('69','69','98-12-13','98.12.13 11:30:45'),('70','70','98-12-12','98.12.12 11:30:45'),('90','90','98-12-11','98.12.11 11:30:45'),('99','98','98-12-10','98.12.10 11:30:45'); INSERT INTO t4 VALUES('00','00','98-12-17','98.12.17 11:30:45'),('20','20','98-12-16','98.12.16 11:30:45'),('40','40','98-12-15','98.12.15 11:30:45'),('60','60','98-12-14','98.12.14 11:30:45'),('69','69','98-12-13','98.12.13 11:30:45'),('70','70','98-12-12','98.12.12 11:30:45'),('90','90','98-12-11','98.12.11 11:30:45'),('99','99','98-12-10','98.12.10 11:30:45'); INSERT INTO t4 VALUES(1,1,'98-12-9','98.12.9 11:30:45'),(20,20,'98-12-8','98.12.8 11:30:45'),(40,40,'98-12-7','98.12.7 11:30:45'),(60,60,'98-12-6','98.12.6 11:30:45'),(69,69,'98-12-5','98.12.5 11:30:45'),(70,70,'98-12-4','98.12.4 11:30:45'),(90,90,'98-12-3','98.12.3 11:30:45'),(99,99,'98-12-2','98.12.2 11:30:45'); SET TIMESTAMP=1233216687; INSERT IGNORE INTO t1 VALUES(NOW(),CURRENT_DATE,NOW(),CURRENT_DATE); Warnings: Warning 1265 Data truncated for column 'c1' at row 1 Warning 1265 Data truncated for column 'c2' at row 1 Note 1265 Data truncated for column 'c3' at row 1 INSERT IGNORE INTO t2 VALUES(NOW(),CURRENT_DATE,NOW(),CURRENT_DATE); Warnings: Warning 1265 Data truncated for column 'c1' at row 1 Warning 1265 Data truncated for column 'c2' at row 1 Note 1265 Data truncated for column 'c3' at row 1 INSERT IGNORE INTO t3 VALUES(NOW(),CURRENT_DATE,NOW(),CURRENT_DATE); Warnings: Warning 1265 Data truncated for column 'c1' at row 1 Warning 1265 Data truncated for column 'c2' at row 1 Note 1265 Data truncated for column 'c3' at row 1 INSERT IGNORE INTO t4 VALUES(NOW(),CURRENT_DATE,NOW(),CURRENT_DATE); Warnings: Warning 1265 Data truncated for column 'c1' at row 1 Warning 1265 Data truncated for column 'c2' at row 1 Note 1265 Data truncated for column 'c3' at row 1 INSERT INTO t1(c1) VALUES('5'); INSERT IGNORE INTO t2(c1) VALUES('5'); Warnings: Warning 1364 Field 'c2' doesn't have a default value INSERT INTO t3(c1) VALUES('5'); INSERT INTO t4(c1,c2) VALUES('0','000'); INSERT IGNORE INTO t2 VALUES(1900,2156,'08-01-06','08/01/07'); Warnings: Warning 1264 Out of range value for column 'c1' at row 1 Warning 1264 Out of range value for column 'c2' at row 1 INSERT IGNORE INTO t3 VALUES('1900','2156','08-01-08','08/1/9'); Warnings: Warning 1264 Out of range value for column 'c1' at row 1 Warning 1264 Out of range value for column 'c2' at row 1 INSERT IGNORE INTO t4 VALUES('1900','2156','08-01-08','08/1/9'),(1900,2156,'08-01-08','08/1/9'),(0,00,'08-01-08','08/1/9'),(000,000,'08-01-08','08/1/9'),('-20','100','08-01-08','08/1/9'),(-20,100,'08-01-08','08/1/9'); Warnings: Warning 1264 Out of range value for column 'c1' at row 1 Warning 1264 Out of range value for column 'c2' at row 1 Warning 1264 Out of range value for column 'c1' at row 2 Warning 1264 Out of range value for column 'c2' at row 2 Warning 1264 Out of range value for column 'c1' at row 5 Warning 1264 Out of range value for column 'c2' at row 5 Warning 1264 Out of range value for column 'c1' at row 6 Warning 1264 Out of range value for column 'c2' at row 6 INSERT IGNORE INTO t1 VALUES('','','08-01-04','08/01/05') /* Inserts zero dates for '' strings */; Warnings: Warning 1366 Incorrect integer value: '' for column `test`.`t1`.`c1` at row 1 Warning 1366 Incorrect integer value: '' for column `test`.`t1`.`c2` at row 1 INSERT IGNORE INTO t4 VALUES('abcd','abcd','08-01-10','08/01/11'),(1234,1234,'08-01-12','08/01/13') /* Inserts zero dates for absurd dates */; Warnings: Warning 1366 Incorrect integer value: 'abcd' for column `test`.`t4`.`c1` at row 1 Warning 1366 Incorrect integer value: 'abcd' for column `test`.`t4`.`c2` at row 1 Warning 1264 Out of range value for column 'c1' at row 2 Warning 1264 Out of range value for column 'c2' at row 2 INSERT INTO t2 VALUES('20','30','98-12-16','98.12.16 11:30:45'),('40','20','98-12-15','98.12.15 11:30:45'); INSERT INTO t3 VALUES('00','20','98-12-17','98.12.17 11:30:45'),('20','40','98-12-10','98.12.10 11:30:45'); INSERT INTO t1 VALUES(80,NULL,'08-01-02','08/01/03'); INSERT INTO t3 VALUES(80,NULL,'08-01-02','08/01/03'); INSERT INTO t4 VALUES(80,NULL,'08-01-02','08/01/03'); INSERT INTO t1(c1,c2) VALUES(1992,NULL); SELECT * FROM t1; c1 c2 c3 c4 0000 0000 2008-01-04 2008-01-05 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1980 NULL 2008-01-02 2008-01-03 00:00:00 1990 1990 1998-12-11 1998-12-11 11:30:45 1992 NULL NULL NULL 1999 1999 1998-12-30 1998-12-30 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 NULL NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2020 1998-12-16 1998-12-16 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 0000 NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2030 1998-12-16 1998-12-16 11:30:45 2040 2020 1998-12-15 1998-12-15 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1980 NULL 2008-01-02 2008-01-03 00:00:00 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2020 1998-12-17 1998-12-17 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 NULL NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2040 1998-12-10 1998-12-10 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t4; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 0000 0000 2008-01-08 2008-01-09 00:00:00 0000 0000 2008-01-08 2008-01-09 00:00:00 0000 0000 2008-01-08 2008-01-09 00:00:00 0000 0000 2008-01-08 2008-01-09 00:00:00 0000 0000 2008-01-08 2008-01-09 00:00:00 0000 0000 2008-01-10 2008-01-11 00:00:00 0000 0000 2008-01-12 2008-01-13 00:00:00 1901 1901 1998-12-24 1998-12-24 11:30:45 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-04 1998-12-04 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1980 NULL 2008-01-02 2008-01-03 00:00:00 1990 1990 1998-12-03 1998-12-03 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1999 1998-12-02 1998-12-02 11:30:45 1999 1999 1998-12-10 1998-12-10 11:30:45 1999 1999 1998-12-23 1998-12-23 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 2000 2000 1998-12-17 1998-12-17 11:30:45 2000 2000 1998-12-22 1998-12-22 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2000 2000 NULL NULL 2001 2001 1998-12-09 1998-12-09 11:30:45 2001 2001 1998-12-21 1998-12-21 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2020 1998-12-08 1998-12-08 11:30:45 2020 2020 1998-12-16 1998-12-16 11:30:45 2040 2040 1998-12-07 1998-12-07 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-06 1998-12-06 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-05 1998-12-05 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-20 1998-12-20 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-19 1998-12-19 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-18 1998-12-18 11:30:45 2155 2155 1998-12-25 1998-12-25 11:30:45 SELECT * FROM t2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 0000 NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2030 1998-12-16 1998-12-16 11:30:45 2040 2020 1998-12-15 1998-12-15 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT count(*) as total_rows, min(c1) as min_value, max(c1) FROM t2; total_rows min_value max(c1) 20 0 2155 SELECT * FROM t2 WHERE c3 = '1998-12-11'; c1 c2 c3 c4 1990 1990 1998-12-11 1998-12-11 11:30:45 SELECT c1,c2 FROM t2; c1 c2 0000 0000 1901 1901 1970 1970 1990 1990 1999 1998 1999 1999 2000 2000 2000 2010 2001 2001 2005 0000 2009 2009 2020 2020 2020 2030 2040 2020 2040 2040 2060 2060 2069 2069 2099 2099 2100 2100 2155 2155 SELECT c1,c2 FROM t2 ORDER BY c1,c2 DESC; c1 c2 0000 0000 1901 1901 1970 1970 1990 1990 1999 1999 1999 1998 2000 2010 2000 2000 2001 2001 2005 0000 2009 2009 2020 2030 2020 2020 2040 2040 2040 2020 2060 2060 2069 2069 2099 2099 2100 2100 2155 2155 SELECT * FROM t2 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c1 = '1901' ORDER BY c1,c2; c1 c2 c3 c4 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c1 = '1901' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c1 = '1901' ORDER BY c1,c2 DESC; c1 c2 c3 c4 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c1 = '1901' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c1 <> '1901' ORDER BY c1,c2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 0000 NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2030 1998-12-16 1998-12-16 11:30:45 2040 2020 1998-12-15 1998-12-15 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c1 <> '1901' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1970 1970 1998-12-12 1998-12-12 11:30:45 SELECT * FROM t2 WHERE c1 > '1901' ORDER BY c1,c2; c1 c2 c3 c4 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 0000 NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2030 1998-12-16 1998-12-16 11:30:45 2040 2020 1998-12-15 1998-12-15 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c1 > '1901' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 SELECT * FROM t2 WHERE c1 >= '1901' ORDER BY c1,c2; c1 c2 c3 c4 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 0000 NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2030 1998-12-16 1998-12-16 11:30:45 2040 2020 1998-12-15 1998-12-15 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c1 >= '1901' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 SELECT * FROM t2 WHERE c1 < '1901' ORDER BY c1,c2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 SELECT * FROM t2 WHERE c1 < '1901' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 SELECT * FROM t2 WHERE c1 <= '1901' ORDER BY c1,c2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c1 <= '1901' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c1 <=> '1901' ORDER BY c1,c2; c1 c2 c3 c4 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c1 <=> '1901' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c1 BETWEEN '1901' AND '2020' ORDER BY c1,c2; c1 c2 c3 c4 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 0000 NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2030 1998-12-16 1998-12-16 11:30:45 SELECT * FROM t2 WHERE c1 BETWEEN '1901' AND '2020' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 SELECT * FROM t2 WHERE c1 IN ('1901','2020') ORDER BY c1,c2; c1 c2 c3 c4 1901 1901 1998-12-31 1998-12-31 11:30:45 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2030 1998-12-16 1998-12-16 11:30:45 SELECT * FROM t2 WHERE c1 IN ('1901','2020') ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 1901 1901 1998-12-31 1998-12-31 11:30:45 2020 2020 1998-12-16 1998-12-16 11:30:45 SELECT * FROM t2 WHERE c1 >= '1901' AND c1 < '2020' AND c2 = '2009' ORDER BY c1,c2; c1 c2 c3 c4 2009 2009 2009-01-29 2009-01-29 00:00:00 SELECT * FROM t2 WHERE c1 >= '1901' AND c1 < '2020' AND c2 = '2009' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 2009 2009 2009-01-29 2009-01-29 00:00:00 SELECT * FROM t2 WHERE c1 IS NULL ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c1 IS NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c1 IS NOT NULL ORDER BY c1,c2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 0000 NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2030 1998-12-16 1998-12-16 11:30:45 2040 2020 1998-12-15 1998-12-15 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c1 IS NOT NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c1 <> '1901' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 0000 NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2030 1998-12-16 1998-12-16 11:30:45 2020 2020 1998-12-16 1998-12-16 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2040 2020 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c1 <> '1901' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1970 1970 1998-12-12 1998-12-12 11:30:45 SELECT * FROM t2 WHERE c1 > '1901' ORDER BY c1,c2 DESC; c1 c2 c3 c4 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 0000 NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2030 1998-12-16 1998-12-16 11:30:45 2020 2020 1998-12-16 1998-12-16 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2040 2020 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c1 > '1901' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 SELECT * FROM t2 WHERE c1 >= '1901' ORDER BY c1,c2 DESC; c1 c2 c3 c4 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 0000 NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2030 1998-12-16 1998-12-16 11:30:45 2020 2020 1998-12-16 1998-12-16 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2040 2020 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c1 >= '1901' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 SELECT * FROM t2 WHERE c1 < '1901' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 SELECT * FROM t2 WHERE c1 < '1901' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 SELECT * FROM t2 WHERE c1 <= '1901' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c1 <= '1901' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c1 <=> '1901' ORDER BY c1,c2 DESC; c1 c2 c3 c4 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c1 <=> '1901' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c1 BETWEEN '1901' AND '2020' ORDER BY c1,c2 DESC; c1 c2 c3 c4 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 0000 NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2030 1998-12-16 1998-12-16 11:30:45 2020 2020 1998-12-16 1998-12-16 11:30:45 SELECT * FROM t2 WHERE c1 BETWEEN '1901' AND '2020' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 SELECT * FROM t2 WHERE c1 IN ('1901','2020') ORDER BY c1,c2 DESC; c1 c2 c3 c4 1901 1901 1998-12-31 1998-12-31 11:30:45 2020 2030 1998-12-16 1998-12-16 11:30:45 2020 2020 1998-12-16 1998-12-16 11:30:45 SELECT * FROM t2 WHERE c1 IN ('1901','2020') ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 1901 1901 1998-12-31 1998-12-31 11:30:45 2020 2030 1998-12-16 1998-12-16 11:30:45 SELECT * FROM t2 WHERE c1 >= '1901' AND c1 < '2020' AND c2 = '2009' ORDER BY c1,c2 DESC; c1 c2 c3 c4 2009 2009 2009-01-29 2009-01-29 00:00:00 SELECT * FROM t2 WHERE c1 >= '1901' AND c1 < '2020' AND c2 = '2009' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 2009 2009 2009-01-29 2009-01-29 00:00:00 SELECT * FROM t2 WHERE c1 IS NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t2 WHERE c1 IS NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c1 IS NOT NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 0000 NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2030 1998-12-16 1998-12-16 11:30:45 2020 2020 1998-12-16 1998-12-16 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2040 2020 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c1 IS NOT NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 0000 NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2030 1998-12-16 1998-12-16 11:30:45 2040 2020 1998-12-15 1998-12-15 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT count(*) as total_rows, min(c1) as min_value, max(c1) FROM t2; total_rows min_value max(c1) 20 0 2155 SELECT * FROM t2 WHERE c3 = '1998-12-11'; c1 c2 c3 c4 1990 1990 1998-12-11 1998-12-11 11:30:45 SELECT c1,c2 FROM t2; c1 c2 0000 0000 1901 1901 1970 1970 1990 1990 1999 1998 1999 1999 2000 2000 2000 2010 2001 2001 2005 0000 2009 2009 2020 2020 2020 2030 2040 2020 2040 2040 2060 2060 2069 2069 2099 2099 2100 2100 2155 2155 SELECT c1,c2 FROM t2 ORDER BY c1,c2 DESC; c1 c2 0000 0000 1901 1901 1970 1970 1990 1990 1999 1999 1999 1998 2000 2010 2000 2000 2001 2001 2005 0000 2009 2009 2020 2030 2020 2020 2040 2040 2040 2020 2060 2060 2069 2069 2099 2099 2100 2100 2155 2155 SELECT * FROM t2 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c1 = '10' ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c1 = '10' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c1 = '10' ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t2 WHERE c1 = '10' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c1 <> '10' ORDER BY c1,c2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 0000 NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2030 1998-12-16 1998-12-16 11:30:45 2040 2020 1998-12-15 1998-12-15 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c1 <> '10' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c1 > '10' ORDER BY c1,c2; c1 c2 c3 c4 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2030 1998-12-16 1998-12-16 11:30:45 2040 2020 1998-12-15 1998-12-15 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c1 > '10' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2030 1998-12-16 1998-12-16 11:30:45 SELECT * FROM t2 WHERE c1 >= '10' ORDER BY c1,c2; c1 c2 c3 c4 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2030 1998-12-16 1998-12-16 11:30:45 2040 2020 1998-12-15 1998-12-15 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c1 >= '10' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2030 1998-12-16 1998-12-16 11:30:45 SELECT * FROM t2 WHERE c1 < '10' ORDER BY c1,c2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 0000 NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 SELECT * FROM t2 WHERE c1 < '10' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c1 <= '10' ORDER BY c1,c2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 0000 NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 SELECT * FROM t2 WHERE c1 <= '10' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c1 <=> '10' ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c1 <=> '10' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c1 BETWEEN '10' AND '2020' ORDER BY c1,c2; c1 c2 c3 c4 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2030 1998-12-16 1998-12-16 11:30:45 SELECT * FROM t2 WHERE c1 BETWEEN '10' AND '2020' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2030 1998-12-16 1998-12-16 11:30:45 SELECT * FROM t2 WHERE c1 IN ('10','2020') ORDER BY c1,c2; c1 c2 c3 c4 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2030 1998-12-16 1998-12-16 11:30:45 SELECT * FROM t2 WHERE c1 IN ('10','2020') ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2030 1998-12-16 1998-12-16 11:30:45 SELECT * FROM t2 WHERE c1 >= '10' AND c1 < '2020' AND c2 = '2009' ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c1 >= '10' AND c1 < '2020' AND c2 = '2009' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c1 IS NULL ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c1 IS NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c1 IS NOT NULL ORDER BY c1,c2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 0000 NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2030 1998-12-16 1998-12-16 11:30:45 2040 2020 1998-12-15 1998-12-15 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c1 IS NOT NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c1 <> '10' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 0000 NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2030 1998-12-16 1998-12-16 11:30:45 2020 2020 1998-12-16 1998-12-16 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2040 2020 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c1 <> '10' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c1 > '10' ORDER BY c1,c2 DESC; c1 c2 c3 c4 2020 2030 1998-12-16 1998-12-16 11:30:45 2020 2020 1998-12-16 1998-12-16 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2040 2020 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c1 > '10' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 2020 2030 1998-12-16 1998-12-16 11:30:45 2020 2020 1998-12-16 1998-12-16 11:30:45 SELECT * FROM t2 WHERE c1 >= '10' ORDER BY c1,c2 DESC; c1 c2 c3 c4 2020 2030 1998-12-16 1998-12-16 11:30:45 2020 2020 1998-12-16 1998-12-16 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2040 2020 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c1 >= '10' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 2020 2030 1998-12-16 1998-12-16 11:30:45 2020 2020 1998-12-16 1998-12-16 11:30:45 SELECT * FROM t2 WHERE c1 < '10' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 0000 NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 SELECT * FROM t2 WHERE c1 < '10' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c1 <= '10' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 0000 NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 SELECT * FROM t2 WHERE c1 <= '10' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c1 <=> '10' ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t2 WHERE c1 <=> '10' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c1 BETWEEN '10' AND '2020' ORDER BY c1,c2 DESC; c1 c2 c3 c4 2020 2030 1998-12-16 1998-12-16 11:30:45 2020 2020 1998-12-16 1998-12-16 11:30:45 SELECT * FROM t2 WHERE c1 BETWEEN '10' AND '2020' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 2020 2030 1998-12-16 1998-12-16 11:30:45 2020 2020 1998-12-16 1998-12-16 11:30:45 SELECT * FROM t2 WHERE c1 IN ('10','2020') ORDER BY c1,c2 DESC; c1 c2 c3 c4 2020 2030 1998-12-16 1998-12-16 11:30:45 2020 2020 1998-12-16 1998-12-16 11:30:45 SELECT * FROM t2 WHERE c1 IN ('10','2020') ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 2020 2030 1998-12-16 1998-12-16 11:30:45 2020 2020 1998-12-16 1998-12-16 11:30:45 SELECT * FROM t2 WHERE c1 >= '10' AND c1 < '2020' AND c2 = '2009' ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t2 WHERE c1 >= '10' AND c1 < '2020' AND c2 = '2009' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c1 IS NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t2 WHERE c1 IS NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c1 IS NOT NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 0000 NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2030 1998-12-16 1998-12-16 11:30:45 2020 2020 1998-12-16 1998-12-16 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2040 2020 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c1 IS NOT NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 0000 NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2030 1998-12-16 1998-12-16 11:30:45 2040 2020 1998-12-15 1998-12-15 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT count(*) as total_rows, min(c2) as min_value, max(c2) FROM t2; total_rows min_value max(c2) 20 0 2155 SELECT * FROM t2 WHERE c3 = '1998-12-11'; c1 c2 c3 c4 1990 1990 1998-12-11 1998-12-11 11:30:45 SELECT c1,c2 FROM t2; c1 c2 0000 0000 1901 1901 1970 1970 1990 1990 1999 1998 1999 1999 2000 2000 2000 2010 2001 2001 2005 0000 2009 2009 2020 2020 2020 2030 2040 2020 2040 2040 2060 2060 2069 2069 2099 2099 2100 2100 2155 2155 SELECT c1,c2 FROM t2 ORDER BY c1,c2 DESC; c1 c2 0000 0000 1901 1901 1970 1970 1990 1990 1999 1999 1999 1998 2000 2010 2000 2000 2001 2001 2005 0000 2009 2009 2020 2030 2020 2020 2040 2040 2040 2020 2060 2060 2069 2069 2099 2099 2100 2100 2155 2155 SELECT * FROM t2 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c2 = 2155 ORDER BY c1,c2; c1 c2 c3 c4 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 = 2155 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 = 2155 ORDER BY c1,c2 DESC; c1 c2 c3 c4 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 = 2155 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 <> 2155 ORDER BY c1,c2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 0000 NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2030 1998-12-16 1998-12-16 11:30:45 2040 2020 1998-12-15 1998-12-15 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 <> 2155 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c2 > 2155 ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 > 2155 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 >= 2155 ORDER BY c1,c2; c1 c2 c3 c4 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 >= 2155 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 < 2155 ORDER BY c1,c2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 0000 NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2030 1998-12-16 1998-12-16 11:30:45 2040 2020 1998-12-15 1998-12-15 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 < 2155 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c2 <= 2155 ORDER BY c1,c2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 0000 NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2030 1998-12-16 1998-12-16 11:30:45 2040 2020 1998-12-15 1998-12-15 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 <= 2155 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c2 <=> 2155 ORDER BY c1,c2; c1 c2 c3 c4 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 <=> 2155 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 BETWEEN '1970' AND 2155 ORDER BY c1,c2; c1 c2 c3 c4 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2030 1998-12-16 1998-12-16 11:30:45 2040 2020 1998-12-15 1998-12-15 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 BETWEEN '1970' AND 2155 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 SELECT * FROM t2 WHERE c2 IN ('1970',2155) ORDER BY c1,c2; c1 c2 c3 c4 1970 1970 1998-12-12 1998-12-12 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 IN ('1970',2155) ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 1970 1970 1998-12-12 1998-12-12 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 >= '1970' AND c2 < 2155 AND c1 = '1999' ORDER BY c1,c2; c1 c2 c3 c4 1999 1998 1998-12-10 1998-12-10 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 SELECT * FROM t2 WHERE c2 >= '1970' AND c2 < 2155 AND c1 = '1999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 1999 1998 1998-12-10 1998-12-10 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 SELECT * FROM t2 WHERE c2 IS NULL ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 IS NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 IS NOT NULL ORDER BY c1,c2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 0000 NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2030 1998-12-16 1998-12-16 11:30:45 2040 2020 1998-12-15 1998-12-15 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 IS NOT NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c2 <> 2155 ORDER BY c1,c2 DESC; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 0000 NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2030 1998-12-16 1998-12-16 11:30:45 2020 2020 1998-12-16 1998-12-16 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2040 2020 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 <> 2155 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c2 > 2155 ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 > 2155 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 >= 2155 ORDER BY c1,c2 DESC; c1 c2 c3 c4 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 >= 2155 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 < 2155 ORDER BY c1,c2 DESC; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 0000 NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2030 1998-12-16 1998-12-16 11:30:45 2020 2020 1998-12-16 1998-12-16 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2040 2020 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 < 2155 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c2 <= 2155 ORDER BY c1,c2 DESC; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 0000 NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2030 1998-12-16 1998-12-16 11:30:45 2020 2020 1998-12-16 1998-12-16 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2040 2020 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 <= 2155 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c2 <=> 2155 ORDER BY c1,c2 DESC; c1 c2 c3 c4 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 <=> 2155 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 BETWEEN '1970' AND 2155 ORDER BY c1,c2 DESC; c1 c2 c3 c4 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2030 1998-12-16 1998-12-16 11:30:45 2020 2020 1998-12-16 1998-12-16 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2040 2020 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 BETWEEN '1970' AND 2155 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 SELECT * FROM t2 WHERE c2 IN ('1970',2155) ORDER BY c1,c2 DESC; c1 c2 c3 c4 1970 1970 1998-12-12 1998-12-12 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 IN ('1970',2155) ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 1970 1970 1998-12-12 1998-12-12 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 >= '1970' AND c2 < 2155 AND c1 = '1999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 1999 1999 1998-12-30 1998-12-30 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 SELECT * FROM t2 WHERE c2 >= '1970' AND c2 < 2155 AND c1 = '1999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 1999 1999 1998-12-30 1998-12-30 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 SELECT * FROM t2 WHERE c2 IS NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 IS NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 IS NOT NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 0000 NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2030 1998-12-16 1998-12-16 11:30:45 2020 2020 1998-12-16 1998-12-16 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2040 2020 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 IS NOT NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 0000 NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2030 1998-12-16 1998-12-16 11:30:45 2040 2020 1998-12-15 1998-12-15 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT count(*) as total_rows, min(c2) as min_value, max(c2) FROM t2; total_rows min_value max(c2) 20 0 2155 SELECT * FROM t2 WHERE c3 = '1998-12-11'; c1 c2 c3 c4 1990 1990 1998-12-11 1998-12-11 11:30:45 SELECT c1,c2 FROM t2; c1 c2 0000 0000 1901 1901 1970 1970 1990 1990 1999 1998 1999 1999 2000 2000 2000 2010 2001 2001 2005 0000 2009 2009 2020 2020 2020 2030 2040 2020 2040 2040 2060 2060 2069 2069 2099 2099 2100 2100 2155 2155 SELECT c1,c2 FROM t2 ORDER BY c1,c2 DESC; c1 c2 0000 0000 1901 1901 1970 1970 1990 1990 1999 1999 1999 1998 2000 2010 2000 2000 2001 2001 2005 0000 2009 2009 2020 2030 2020 2020 2040 2040 2040 2020 2060 2060 2069 2069 2099 2099 2100 2100 2155 2155 SELECT * FROM t2 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c2 = NULL ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 = NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 = NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 = NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 <> NULL ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 <> NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 > NULL ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 > NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 >= NULL ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 >= NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 < NULL ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 < NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 <= NULL ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 <= NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 <=> NULL ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 <=> NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 BETWEEN NULL AND '2069' ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 BETWEEN NULL AND '2069' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 IN (NULL,'2069') ORDER BY c1,c2; c1 c2 c3 c4 2069 2069 1998-12-13 1998-12-13 11:30:45 SELECT * FROM t2 WHERE c2 IN (NULL,'2069') ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 2069 2069 1998-12-13 1998-12-13 11:30:45 SELECT * FROM t2 WHERE c2 >= NULL AND c2 < '2069' AND c1 = '2000' ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 >= NULL AND c2 < '2069' AND c1 = '2000' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 IS NULL ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 IS NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 IS NOT NULL ORDER BY c1,c2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 0000 NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2030 1998-12-16 1998-12-16 11:30:45 2040 2020 1998-12-15 1998-12-15 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 IS NOT NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c2 <> NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 <> NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 > NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 > NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 >= NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 >= NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 < NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 < NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 <= NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 <= NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 <=> NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 <=> NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 BETWEEN NULL AND '2069' ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 BETWEEN NULL AND '2069' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 IN (NULL,'2069') ORDER BY c1,c2 DESC; c1 c2 c3 c4 2069 2069 1998-12-13 1998-12-13 11:30:45 SELECT * FROM t2 WHERE c2 IN (NULL,'2069') ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 2069 2069 1998-12-13 1998-12-13 11:30:45 SELECT * FROM t2 WHERE c2 >= NULL AND c2 < '2069' AND c1 = '2000' ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 >= NULL AND c2 < '2069' AND c1 = '2000' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 IS NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 IS NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 IS NOT NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 0000 NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2030 1998-12-16 1998-12-16 11:30:45 2020 2020 1998-12-16 1998-12-16 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2040 2020 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 IS NOT NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-06 2008-01-07 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1980 NULL 2008-01-02 2008-01-03 00:00:00 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2020 1998-12-17 1998-12-17 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 NULL NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2040 1998-12-10 1998-12-10 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT count(*) as total_rows, min(c1) as min_value, max(c1) FROM t3; total_rows min_value max(c1) 21 0 2155 SELECT * FROM t3 WHERE c3 = '1998-12-11'; c1 c2 c3 c4 1990 1990 1998-12-11 1998-12-11 11:30:45 SELECT c1,c2 FROM t3; c1 c2 0000 0000 1901 1901 1970 1970 1980 NULL 1990 1990 1999 1998 1999 1999 2000 2000 2000 2010 2000 2020 2001 2001 2005 NULL 2009 2009 2020 2020 2020 2040 2040 2040 2060 2060 2069 2069 2099 2099 2100 2100 2155 2155 SELECT c1,c2 FROM t3 ORDER BY c1,c2 DESC; c1 c2 0000 0000 1901 1901 1970 1970 1980 NULL 1990 1990 1999 1999 1999 1998 2000 2020 2000 2010 2000 2000 2001 2001 2005 NULL 2009 2009 2020 2040 2020 2020 2040 2040 2060 2060 2069 2069 2099 2099 2100 2100 2155 2155 SELECT * FROM t3 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c1 = '1970' ORDER BY c1,c2; c1 c2 c3 c4 1970 1970 1998-12-12 1998-12-12 11:30:45 SELECT * FROM t3 WHERE c1 = '1970' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 1970 1970 1998-12-12 1998-12-12 11:30:45 SELECT * FROM t3 WHERE c1 = '1970' ORDER BY c1,c2 DESC; c1 c2 c3 c4 1970 1970 1998-12-12 1998-12-12 11:30:45 SELECT * FROM t3 WHERE c1 = '1970' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 1970 1970 1998-12-12 1998-12-12 11:30:45 SELECT * FROM t3 WHERE c1 <> '1970' ORDER BY c1,c2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1980 NULL 2008-01-02 2008-01-03 00:00:00 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2020 1998-12-17 1998-12-17 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 NULL NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2040 1998-12-10 1998-12-10 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c1 <> '1970' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c1 > '1970' ORDER BY c1,c2; c1 c2 c3 c4 1980 NULL 2008-01-02 2008-01-03 00:00:00 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2020 1998-12-17 1998-12-17 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 NULL NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2040 1998-12-10 1998-12-10 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c1 > '1970' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 1980 NULL 2008-01-02 2008-01-03 00:00:00 1990 1990 1998-12-11 1998-12-11 11:30:45 SELECT * FROM t3 WHERE c1 >= '1970' ORDER BY c1,c2; c1 c2 c3 c4 1970 1970 1998-12-12 1998-12-12 11:30:45 1980 NULL 2008-01-02 2008-01-03 00:00:00 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2020 1998-12-17 1998-12-17 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 NULL NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2040 1998-12-10 1998-12-10 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c1 >= '1970' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 1970 1970 1998-12-12 1998-12-12 11:30:45 1980 NULL 2008-01-02 2008-01-03 00:00:00 SELECT * FROM t3 WHERE c1 < '1970' ORDER BY c1,c2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c1 < '1970' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c1 <= '1970' ORDER BY c1,c2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 SELECT * FROM t3 WHERE c1 <= '1970' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c1 <=> '1970' ORDER BY c1,c2; c1 c2 c3 c4 1970 1970 1998-12-12 1998-12-12 11:30:45 SELECT * FROM t3 WHERE c1 <=> '1970' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 1970 1970 1998-12-12 1998-12-12 11:30:45 SELECT * FROM t3 WHERE c1 BETWEEN '1970' AND '2020' ORDER BY c1,c2; c1 c2 c3 c4 1970 1970 1998-12-12 1998-12-12 11:30:45 1980 NULL 2008-01-02 2008-01-03 00:00:00 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2020 1998-12-17 1998-12-17 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 NULL NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2040 1998-12-10 1998-12-10 11:30:45 SELECT * FROM t3 WHERE c1 BETWEEN '1970' AND '2020' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 1970 1970 1998-12-12 1998-12-12 11:30:45 1980 NULL 2008-01-02 2008-01-03 00:00:00 SELECT * FROM t3 WHERE c1 IN ('1970','2020') ORDER BY c1,c2; c1 c2 c3 c4 1970 1970 1998-12-12 1998-12-12 11:30:45 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2040 1998-12-10 1998-12-10 11:30:45 SELECT * FROM t3 WHERE c1 IN ('1970','2020') ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 1970 1970 1998-12-12 1998-12-12 11:30:45 2020 2020 1998-12-16 1998-12-16 11:30:45 SELECT * FROM t3 WHERE c1 >= '1970' AND c1 < '2020' AND c2 = '2009' ORDER BY c1,c2; c1 c2 c3 c4 2009 2009 2009-01-29 2009-01-29 00:00:00 SELECT * FROM t3 WHERE c1 >= '1970' AND c1 < '2020' AND c2 = '2009' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 2009 2009 2009-01-29 2009-01-29 00:00:00 SELECT * FROM t3 WHERE c1 IS NULL ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c1 IS NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c1 IS NOT NULL ORDER BY c1,c2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1980 NULL 2008-01-02 2008-01-03 00:00:00 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2020 1998-12-17 1998-12-17 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 NULL NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2040 1998-12-10 1998-12-10 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c1 IS NOT NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c1 <> '1970' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1980 NULL 2008-01-02 2008-01-03 00:00:00 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 2000 2020 1998-12-17 1998-12-17 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 NULL NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2040 1998-12-10 1998-12-10 11:30:45 2020 2020 1998-12-16 1998-12-16 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c1 <> '1970' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c1 > '1970' ORDER BY c1,c2 DESC; c1 c2 c3 c4 1980 NULL 2008-01-02 2008-01-03 00:00:00 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 2000 2020 1998-12-17 1998-12-17 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 NULL NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2040 1998-12-10 1998-12-10 11:30:45 2020 2020 1998-12-16 1998-12-16 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c1 > '1970' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 1980 NULL 2008-01-02 2008-01-03 00:00:00 1990 1990 1998-12-11 1998-12-11 11:30:45 SELECT * FROM t3 WHERE c1 >= '1970' ORDER BY c1,c2 DESC; c1 c2 c3 c4 1970 1970 1998-12-12 1998-12-12 11:30:45 1980 NULL 2008-01-02 2008-01-03 00:00:00 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 2000 2020 1998-12-17 1998-12-17 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 NULL NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2040 1998-12-10 1998-12-10 11:30:45 2020 2020 1998-12-16 1998-12-16 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c1 >= '1970' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 1970 1970 1998-12-12 1998-12-12 11:30:45 1980 NULL 2008-01-02 2008-01-03 00:00:00 SELECT * FROM t3 WHERE c1 < '1970' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c1 < '1970' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c1 <= '1970' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 SELECT * FROM t3 WHERE c1 <= '1970' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c1 <=> '1970' ORDER BY c1,c2 DESC; c1 c2 c3 c4 1970 1970 1998-12-12 1998-12-12 11:30:45 SELECT * FROM t3 WHERE c1 <=> '1970' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 1970 1970 1998-12-12 1998-12-12 11:30:45 SELECT * FROM t3 WHERE c1 BETWEEN '1970' AND '2020' ORDER BY c1,c2 DESC; c1 c2 c3 c4 1970 1970 1998-12-12 1998-12-12 11:30:45 1980 NULL 2008-01-02 2008-01-03 00:00:00 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 2000 2020 1998-12-17 1998-12-17 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 NULL NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2040 1998-12-10 1998-12-10 11:30:45 2020 2020 1998-12-16 1998-12-16 11:30:45 SELECT * FROM t3 WHERE c1 BETWEEN '1970' AND '2020' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 1970 1970 1998-12-12 1998-12-12 11:30:45 1980 NULL 2008-01-02 2008-01-03 00:00:00 SELECT * FROM t3 WHERE c1 IN ('1970','2020') ORDER BY c1,c2 DESC; c1 c2 c3 c4 1970 1970 1998-12-12 1998-12-12 11:30:45 2020 2040 1998-12-10 1998-12-10 11:30:45 2020 2020 1998-12-16 1998-12-16 11:30:45 SELECT * FROM t3 WHERE c1 IN ('1970','2020') ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 1970 1970 1998-12-12 1998-12-12 11:30:45 2020 2040 1998-12-10 1998-12-10 11:30:45 SELECT * FROM t3 WHERE c1 >= '1970' AND c1 < '2020' AND c2 = '2009' ORDER BY c1,c2 DESC; c1 c2 c3 c4 2009 2009 2009-01-29 2009-01-29 00:00:00 SELECT * FROM t3 WHERE c1 >= '1970' AND c1 < '2020' AND c2 = '2009' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 2009 2009 2009-01-29 2009-01-29 00:00:00 SELECT * FROM t3 WHERE c1 IS NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t3 WHERE c1 IS NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c1 IS NOT NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1980 NULL 2008-01-02 2008-01-03 00:00:00 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 2000 2020 1998-12-17 1998-12-17 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 NULL NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2040 1998-12-10 1998-12-10 11:30:45 2020 2020 1998-12-16 1998-12-16 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c1 IS NOT NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1980 NULL 2008-01-02 2008-01-03 00:00:00 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2020 1998-12-17 1998-12-17 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 NULL NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2040 1998-12-10 1998-12-10 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT count(*) as total_rows, min(c1) as min_value, max(c1) FROM t3; total_rows min_value max(c1) 21 0 2155 SELECT * FROM t3 WHERE c3 = '1998-12-11'; c1 c2 c3 c4 1990 1990 1998-12-11 1998-12-11 11:30:45 SELECT c1,c2 FROM t3; c1 c2 0000 0000 1901 1901 1970 1970 1980 NULL 1990 1990 1999 1998 1999 1999 2000 2000 2000 2010 2000 2020 2001 2001 2005 NULL 2009 2009 2020 2020 2020 2040 2040 2040 2060 2060 2069 2069 2099 2099 2100 2100 2155 2155 SELECT c1,c2 FROM t3 ORDER BY c1,c2 DESC; c1 c2 0000 0000 1901 1901 1970 1970 1980 NULL 1990 1990 1999 1999 1999 1998 2000 2020 2000 2010 2000 2000 2001 2001 2005 NULL 2009 2009 2020 2040 2020 2020 2040 2040 2060 2060 2069 2069 2099 2099 2100 2100 2155 2155 SELECT * FROM t3 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c1 = '69' ORDER BY c1,c2; c1 c2 c3 c4 2069 2069 1998-12-13 1998-12-13 11:30:45 SELECT * FROM t3 WHERE c1 = '69' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 2069 2069 1998-12-13 1998-12-13 11:30:45 SELECT * FROM t3 WHERE c1 = '69' ORDER BY c1,c2 DESC; c1 c2 c3 c4 2069 2069 1998-12-13 1998-12-13 11:30:45 SELECT * FROM t3 WHERE c1 = '69' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 2069 2069 1998-12-13 1998-12-13 11:30:45 SELECT * FROM t3 WHERE c1 <> '69' ORDER BY c1,c2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1980 NULL 2008-01-02 2008-01-03 00:00:00 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2020 1998-12-17 1998-12-17 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 NULL NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2040 1998-12-10 1998-12-10 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c1 <> '69' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c1 > '69' ORDER BY c1,c2; c1 c2 c3 c4 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c1 > '69' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c1 >= '69' ORDER BY c1,c2; c1 c2 c3 c4 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c1 >= '69' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 SELECT * FROM t3 WHERE c1 < '69' ORDER BY c1,c2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1980 NULL 2008-01-02 2008-01-03 00:00:00 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2020 1998-12-17 1998-12-17 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 NULL NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2040 1998-12-10 1998-12-10 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 SELECT * FROM t3 WHERE c1 < '69' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c1 <= '69' ORDER BY c1,c2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1980 NULL 2008-01-02 2008-01-03 00:00:00 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2020 1998-12-17 1998-12-17 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 NULL NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2040 1998-12-10 1998-12-10 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 SELECT * FROM t3 WHERE c1 <= '69' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c1 <=> '69' ORDER BY c1,c2; c1 c2 c3 c4 2069 2069 1998-12-13 1998-12-13 11:30:45 SELECT * FROM t3 WHERE c1 <=> '69' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 2069 2069 1998-12-13 1998-12-13 11:30:45 SELECT * FROM t3 WHERE c1 BETWEEN 69 AND '2020' ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c1 BETWEEN 69 AND '2020' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c1 IN (69,'2020') ORDER BY c1,c2; c1 c2 c3 c4 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2040 1998-12-10 1998-12-10 11:30:45 SELECT * FROM t3 WHERE c1 IN (69,'2020') ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2040 1998-12-10 1998-12-10 11:30:45 SELECT * FROM t3 WHERE c1 >= 69 AND c1 < '2020' AND c2 = '2009' ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c1 >= 69 AND c1 < '2020' AND c2 = '2009' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c1 IS NULL ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c1 IS NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c1 IS NOT NULL ORDER BY c1,c2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1980 NULL 2008-01-02 2008-01-03 00:00:00 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2020 1998-12-17 1998-12-17 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 NULL NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2040 1998-12-10 1998-12-10 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c1 IS NOT NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c1 <> '69' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1980 NULL 2008-01-02 2008-01-03 00:00:00 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 2000 2020 1998-12-17 1998-12-17 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 NULL NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2040 1998-12-10 1998-12-10 11:30:45 2020 2020 1998-12-16 1998-12-16 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c1 <> '69' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c1 > '69' ORDER BY c1,c2 DESC; c1 c2 c3 c4 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c1 > '69' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c1 >= '69' ORDER BY c1,c2 DESC; c1 c2 c3 c4 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c1 >= '69' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 SELECT * FROM t3 WHERE c1 < '69' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1980 NULL 2008-01-02 2008-01-03 00:00:00 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 2000 2020 1998-12-17 1998-12-17 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 NULL NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2040 1998-12-10 1998-12-10 11:30:45 2020 2020 1998-12-16 1998-12-16 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 SELECT * FROM t3 WHERE c1 < '69' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c1 <= '69' ORDER BY c1,c2 DESC; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1980 NULL 2008-01-02 2008-01-03 00:00:00 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 2000 2020 1998-12-17 1998-12-17 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 NULL NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2040 1998-12-10 1998-12-10 11:30:45 2020 2020 1998-12-16 1998-12-16 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 SELECT * FROM t3 WHERE c1 <= '69' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c1 <=> '69' ORDER BY c1,c2 DESC; c1 c2 c3 c4 2069 2069 1998-12-13 1998-12-13 11:30:45 SELECT * FROM t3 WHERE c1 <=> '69' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 2069 2069 1998-12-13 1998-12-13 11:30:45 SELECT * FROM t3 WHERE c1 BETWEEN 69 AND '2020' ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t3 WHERE c1 BETWEEN 69 AND '2020' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c1 IN (69,'2020') ORDER BY c1,c2 DESC; c1 c2 c3 c4 2020 2040 1998-12-10 1998-12-10 11:30:45 2020 2020 1998-12-16 1998-12-16 11:30:45 SELECT * FROM t3 WHERE c1 IN (69,'2020') ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 2020 2040 1998-12-10 1998-12-10 11:30:45 2020 2020 1998-12-16 1998-12-16 11:30:45 SELECT * FROM t3 WHERE c1 >= 69 AND c1 < '2020' AND c2 = '2009' ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t3 WHERE c1 >= 69 AND c1 < '2020' AND c2 = '2009' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c1 IS NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t3 WHERE c1 IS NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c1 IS NOT NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1980 NULL 2008-01-02 2008-01-03 00:00:00 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 2000 2020 1998-12-17 1998-12-17 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 NULL NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2040 1998-12-10 1998-12-10 11:30:45 2020 2020 1998-12-16 1998-12-16 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c1 IS NOT NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1980 NULL 2008-01-02 2008-01-03 00:00:00 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2020 1998-12-17 1998-12-17 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 NULL NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2040 1998-12-10 1998-12-10 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT count(*) as total_rows, min(c2) as min_value, max(c2) FROM t3; total_rows min_value max(c2) 21 0 2155 SELECT * FROM t3 WHERE c3 = '1998-12-11'; c1 c2 c3 c4 1990 1990 1998-12-11 1998-12-11 11:30:45 SELECT c1,c2 FROM t3; c1 c2 0000 0000 1901 1901 1970 1970 1980 NULL 1990 1990 1999 1998 1999 1999 2000 2000 2000 2010 2000 2020 2001 2001 2005 NULL 2009 2009 2020 2020 2020 2040 2040 2040 2060 2060 2069 2069 2099 2099 2100 2100 2155 2155 SELECT c1,c2 FROM t3 ORDER BY c1,c2 DESC; c1 c2 0000 0000 1901 1901 1970 1970 1980 NULL 1990 1990 1999 1999 1999 1998 2000 2020 2000 2010 2000 2000 2001 2001 2005 NULL 2009 2009 2020 2040 2020 2020 2040 2040 2060 2060 2069 2069 2099 2099 2100 2100 2155 2155 SELECT * FROM t3 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c2 = 2000 ORDER BY c1,c2; c1 c2 c3 c4 2000 2000 1998-12-29 1998-12-29 11:30:45 SELECT * FROM t3 WHERE c2 = 2000 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 2000 2000 1998-12-29 1998-12-29 11:30:45 SELECT * FROM t3 WHERE c2 = 2000 ORDER BY c1,c2 DESC; c1 c2 c3 c4 2000 2000 1998-12-29 1998-12-29 11:30:45 SELECT * FROM t3 WHERE c2 = 2000 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 2000 2000 1998-12-29 1998-12-29 11:30:45 SELECT * FROM t3 WHERE c2 <> 2000 ORDER BY c1,c2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2020 1998-12-17 1998-12-17 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2040 1998-12-10 1998-12-10 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c2 <> 2000 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c2 > 2000 ORDER BY c1,c2; c1 c2 c3 c4 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2020 1998-12-17 1998-12-17 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2040 1998-12-10 1998-12-10 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c2 > 2000 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2020 1998-12-17 1998-12-17 11:30:45 SELECT * FROM t3 WHERE c2 >= 2000 ORDER BY c1,c2; c1 c2 c3 c4 2000 2000 1998-12-29 1998-12-29 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2020 1998-12-17 1998-12-17 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2040 1998-12-10 1998-12-10 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c2 >= 2000 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 2000 2000 1998-12-29 1998-12-29 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 SELECT * FROM t3 WHERE c2 < 2000 ORDER BY c1,c2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 SELECT * FROM t3 WHERE c2 < 2000 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c2 <= 2000 ORDER BY c1,c2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 SELECT * FROM t3 WHERE c2 <= 2000 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c2 <=> 2000 ORDER BY c1,c2; c1 c2 c3 c4 2000 2000 1998-12-29 1998-12-29 11:30:45 SELECT * FROM t3 WHERE c2 <=> 2000 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 2000 2000 1998-12-29 1998-12-29 11:30:45 SELECT * FROM t3 WHERE c2 BETWEEN '2000' AND 2155 ORDER BY c1,c2; c1 c2 c3 c4 2000 2000 1998-12-29 1998-12-29 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2020 1998-12-17 1998-12-17 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2040 1998-12-10 1998-12-10 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c2 BETWEEN '2000' AND 2155 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 2000 2000 1998-12-29 1998-12-29 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 SELECT * FROM t3 WHERE c2 IN ('2000',2155) ORDER BY c1,c2; c1 c2 c3 c4 2000 2000 1998-12-29 1998-12-29 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c2 IN ('2000',2155) ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 2000 2000 1998-12-29 1998-12-29 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c2 >= '2000' AND c2 < 2155 AND c1 = '1999' ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 >= '2000' AND c2 < 2155 AND c1 = '1999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 IS NULL ORDER BY c1,c2; c1 c2 c3 c4 1980 NULL 2008-01-02 2008-01-03 00:00:00 2005 NULL NULL NULL SELECT * FROM t3 WHERE c2 IS NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 1980 NULL 2008-01-02 2008-01-03 00:00:00 2005 NULL NULL NULL SELECT * FROM t3 WHERE c2 IS NOT NULL ORDER BY c1,c2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2020 1998-12-17 1998-12-17 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2040 1998-12-10 1998-12-10 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c2 IS NOT NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c2 <> 2000 ORDER BY c1,c2 DESC; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 2000 2020 1998-12-17 1998-12-17 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2040 1998-12-10 1998-12-10 11:30:45 2020 2020 1998-12-16 1998-12-16 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c2 <> 2000 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c2 > 2000 ORDER BY c1,c2 DESC; c1 c2 c3 c4 2000 2020 1998-12-17 1998-12-17 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2040 1998-12-10 1998-12-10 11:30:45 2020 2020 1998-12-16 1998-12-16 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c2 > 2000 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 2000 2020 1998-12-17 1998-12-17 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 SELECT * FROM t3 WHERE c2 >= 2000 ORDER BY c1,c2 DESC; c1 c2 c3 c4 2000 2020 1998-12-17 1998-12-17 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2040 1998-12-10 1998-12-10 11:30:45 2020 2020 1998-12-16 1998-12-16 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c2 >= 2000 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 2000 2020 1998-12-17 1998-12-17 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 SELECT * FROM t3 WHERE c2 < 2000 ORDER BY c1,c2 DESC; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 SELECT * FROM t3 WHERE c2 < 2000 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c2 <= 2000 ORDER BY c1,c2 DESC; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 SELECT * FROM t3 WHERE c2 <= 2000 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c2 <=> 2000 ORDER BY c1,c2 DESC; c1 c2 c3 c4 2000 2000 1998-12-29 1998-12-29 11:30:45 SELECT * FROM t3 WHERE c2 <=> 2000 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 2000 2000 1998-12-29 1998-12-29 11:30:45 SELECT * FROM t3 WHERE c2 BETWEEN '2000' AND 2155 ORDER BY c1,c2 DESC; c1 c2 c3 c4 2000 2020 1998-12-17 1998-12-17 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2040 1998-12-10 1998-12-10 11:30:45 2020 2020 1998-12-16 1998-12-16 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c2 BETWEEN '2000' AND 2155 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 2000 2020 1998-12-17 1998-12-17 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 SELECT * FROM t3 WHERE c2 IN ('2000',2155) ORDER BY c1,c2 DESC; c1 c2 c3 c4 2000 2000 1998-12-29 1998-12-29 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c2 IN ('2000',2155) ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 2000 2000 1998-12-29 1998-12-29 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c2 >= '2000' AND c2 < 2155 AND c1 = '1999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 >= '2000' AND c2 < 2155 AND c1 = '1999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 IS NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 1980 NULL 2008-01-02 2008-01-03 00:00:00 2005 NULL NULL NULL SELECT * FROM t3 WHERE c2 IS NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 1980 NULL 2008-01-02 2008-01-03 00:00:00 2005 NULL NULL NULL SELECT * FROM t3 WHERE c2 IS NOT NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 2000 2020 1998-12-17 1998-12-17 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2040 1998-12-10 1998-12-10 11:30:45 2020 2020 1998-12-16 1998-12-16 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c2 IS NOT NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1980 NULL 2008-01-02 2008-01-03 00:00:00 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2020 1998-12-17 1998-12-17 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2005 NULL NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2040 1998-12-10 1998-12-10 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT count(*) as total_rows, min(c2) as min_value, max(c2) FROM t3; total_rows min_value max(c2) 21 0 2155 SELECT * FROM t3 WHERE c3 = '1998-12-11'; c1 c2 c3 c4 1990 1990 1998-12-11 1998-12-11 11:30:45 SELECT c1,c2 FROM t3; c1 c2 0000 0000 1901 1901 1970 1970 1980 NULL 1990 1990 1999 1998 1999 1999 2000 2000 2000 2010 2000 2020 2001 2001 2005 NULL 2009 2009 2020 2020 2020 2040 2040 2040 2060 2060 2069 2069 2099 2099 2100 2100 2155 2155 SELECT c1,c2 FROM t3 ORDER BY c1,c2 DESC; c1 c2 0000 0000 1901 1901 1970 1970 1980 NULL 1990 1990 1999 1999 1999 1998 2000 2020 2000 2010 2000 2000 2001 2001 2005 NULL 2009 2009 2020 2040 2020 2020 2040 2040 2060 2060 2069 2069 2099 2099 2100 2100 2155 2155 SELECT * FROM t3 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c2 = NULL ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 = NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 = NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 = NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 <> NULL ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 <> NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 > NULL ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 > NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 >= NULL ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 >= NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 < NULL ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 < NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 <= NULL ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 <= NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 <=> NULL ORDER BY c1,c2; c1 c2 c3 c4 1980 NULL 2008-01-02 2008-01-03 00:00:00 2005 NULL NULL NULL SELECT * FROM t3 WHERE c2 <=> NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 1980 NULL 2008-01-02 2008-01-03 00:00:00 2005 NULL NULL NULL SELECT * FROM t3 WHERE c2 BETWEEN NULL AND '2069' ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 BETWEEN NULL AND '2069' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 IN (NULL,'2069') ORDER BY c1,c2; c1 c2 c3 c4 2069 2069 1998-12-13 1998-12-13 11:30:45 SELECT * FROM t3 WHERE c2 IN (NULL,'2069') ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 2069 2069 1998-12-13 1998-12-13 11:30:45 SELECT * FROM t3 WHERE c2 >= NULL AND c2 < '2069' AND c1 = '2000' ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 >= NULL AND c2 < '2069' AND c1 = '2000' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 IS NULL ORDER BY c1,c2; c1 c2 c3 c4 1980 NULL 2008-01-02 2008-01-03 00:00:00 2005 NULL NULL NULL SELECT * FROM t3 WHERE c2 IS NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 1980 NULL 2008-01-02 2008-01-03 00:00:00 2005 NULL NULL NULL SELECT * FROM t3 WHERE c2 IS NOT NULL ORDER BY c1,c2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2020 1998-12-17 1998-12-17 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2040 1998-12-10 1998-12-10 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c2 IS NOT NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c2 <> NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 <> NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 > NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 > NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 >= NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 >= NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 < NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 < NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 <= NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 <= NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 <=> NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 1980 NULL 2008-01-02 2008-01-03 00:00:00 2005 NULL NULL NULL SELECT * FROM t3 WHERE c2 <=> NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 1980 NULL 2008-01-02 2008-01-03 00:00:00 2005 NULL NULL NULL SELECT * FROM t3 WHERE c2 BETWEEN NULL AND '2069' ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 BETWEEN NULL AND '2069' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 IN (NULL,'2069') ORDER BY c1,c2 DESC; c1 c2 c3 c4 2069 2069 1998-12-13 1998-12-13 11:30:45 SELECT * FROM t3 WHERE c2 IN (NULL,'2069') ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 2069 2069 1998-12-13 1998-12-13 11:30:45 SELECT * FROM t3 WHERE c2 >= NULL AND c2 < '2069' AND c1 = '2000' ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 >= NULL AND c2 < '2069' AND c1 = '2000' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 IS NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 1980 NULL 2008-01-02 2008-01-03 00:00:00 2005 NULL NULL NULL SELECT * FROM t3 WHERE c2 IS NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 1980 NULL 2008-01-02 2008-01-03 00:00:00 2005 NULL NULL NULL SELECT * FROM t3 WHERE c2 IS NOT NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1990 1990 1998-12-11 1998-12-11 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 1999 1998 1998-12-10 1998-12-10 11:30:45 2000 2020 1998-12-17 1998-12-17 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2040 1998-12-10 1998-12-10 11:30:45 2020 2020 1998-12-16 1998-12-16 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c2 IS NOT NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 SELECT c1 FROM t3 GROUP BY c1; c1 0000 1901 1970 1980 1990 1999 2000 2001 2005 2009 2020 2040 2060 2069 2099 2100 2155 SELECT DISTINCT c1 FROM t3; c1 0000 1901 1970 1980 1990 1999 2000 2001 2005 2009 2020 2040 2060 2069 2099 2100 2155 SELECT c1,MIN(c2) FROM t3 GROUP BY c1; c1 MIN(c2) 0000 0 1901 1901 1970 1970 1980 NULL 1990 1990 1999 1998 2000 2000 2001 2001 2005 NULL 2009 2009 2020 2020 2040 2040 2060 2060 2069 2069 2099 2099 2100 2100 2155 2155 SELECT * FROM t1 WHERE c1='1901' OR c2='2155'; c1 c2 c3 c4 1901 1901 1998-12-31 1998-12-31 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 INSERT INTO t1(c1,c2) VALUES(01,'99'); ERROR 23000: Duplicate entry '2001' for key 'PRIMARY' INSERT INTO t2(c1,c2) VALUES(99,99); ERROR 23000: Duplicate entry '1999-1999' for key 'PRIMARY' INSERT INTO t1(c1,c2) VALUES('2098',69); ERROR 23000: Duplicate entry '2069' for key 'c2' INSERT INTO t3(c1,c2) VALUES(00,00); ERROR 23000: Duplicate entry '0000-0000' for key 'idx' INSERT IGNORE INTO t1(c1,c2) VALUES(01,'99'); Warnings: Warning 1062 Duplicate entry '2001' for key 'PRIMARY' INSERT IGNORE INTO t2(c1,c2) VALUES('1999','1999'); Warnings: Warning 1062 Duplicate entry '1999-1999' for key 'PRIMARY' INSERT IGNORE INTO t1(c1,c2) VALUES('2098','69'); Warnings: Warning 1062 Duplicate entry '2069' for key 'c2' INSERT IGNORE INTO t3(c1,c2) VALUES(00,00); Warnings: Warning 1062 Duplicate entry '0000-0000' for key 'idx' SELECT * FROM t1 WHERE c1='01' /* Returns 1 row */; c1 c2 c3 c4 2001 2001 1998-12-28 1998-12-28 11:30:45 SELECT * FROM t2 WHERE c1='1999' AND c2='1999' /* Returns 1 row */; c1 c2 c3 c4 1999 1999 1998-12-30 1998-12-30 11:30:45 SELECT * FROM t1 WHERE c2='69' /* Returns 1 row */; c1 c2 c3 c4 2069 2069 1998-12-13 1998-12-13 11:30:45 SELECT * FROM t3 WHERE c1=0 AND c2=0 /* Returns 1 row */; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 SELECT * FROM t1 WHERE c1='02' /* Returns no rows */; c1 c2 c3 c4 INSERT INTO t1(c1) VALUES('00') ON DUPLICATE KEY UPDATE c1='02'; SELECT * FROM t1 WHERE c1='2002' /* Returns 1 row */; c1 c2 c3 c4 2002 2000 1998-12-29 1998-12-29 11:30:45 SELECT * FROM t2 WHERE c1=69 AND c2=70 /* Returns no rows */; c1 c2 c3 c4 INSERT INTO t2 VALUES(99,99,'98-12-20','98.12.20 11:30:45') ON DUPLICATE KEY UPDATE c1=69,c2=70; SELECT * FROM t2 WHERE c1=2069 AND c2=1970 /* Returns 1 row */; c1 c2 c3 c4 2069 1970 1998-12-30 1998-12-30 11:30:45 SELECT * FROM t1 WHERE c1=54 AND c2=53 /* Returns no rows */; c1 c2 c3 c4 INSERT INTO t1 VALUES(69,69,'98-12-18','98.12.18 11:30:45') ON DUPLICATE KEY UPDATE c1=54,c2=53; SELECT * FROM t1 WHERE c1=54 AND c2=53 /* Returns 1 row */; c1 c2 c3 c4 2054 2053 1998-12-13 1998-12-13 11:30:45 SELECT * FROM t3 WHERE c1=6 AND c2=1970 /* Returns no rows */; c1 c2 c3 c4 INSERT INTO t3(c1,c2) VALUES('69','69') ON DUPLICATE KEY UPDATE c1=06,c2=70; SELECT * FROM t3 WHERE c1=2006 AND c2=1970 /* Returns 1 row */; c1 c2 c3 c4 2006 1970 1998-12-13 1998-12-13 11:30:45 CREATE TABLE t5(c1 YEAR NOT NULL, c2 YEAR NULL, c3 DATE, c4 DATETIME, INDEX idx(c1,c2)); INSERT INTO t5 SELECT * FROM t1; SELECT * FROM t5; c1 c2 c3 c4 0000 0000 2008-01-04 2008-01-05 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1980 NULL 2008-01-02 2008-01-03 00:00:00 1990 1990 1998-12-11 1998-12-11 11:30:45 1992 NULL NULL NULL 1999 1999 1998-12-30 1998-12-30 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2002 2000 1998-12-29 1998-12-29 11:30:45 2005 NULL NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2020 1998-12-16 1998-12-16 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2054 2053 1998-12-13 1998-12-13 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 TRUNCATE TABLE t5; INSERT INTO t5 SELECT * FROM t2 WHERE c1 >=1970 AND c1 < 1999 AND c2 <> '1990'; SELECT * FROM t5; c1 c2 c3 c4 1970 1970 1998-12-12 1998-12-12 11:30:45 TRUNCATE TABLE t5; INSERT INTO t5 SELECT * FROM t3 WHERE c2 BETWEEN '2000' AND '2155'; SELECT * FROM t5; c1 c2 c3 c4 2000 2000 1998-12-29 1998-12-29 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2020 1998-12-17 1998-12-17 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2040 1998-12-10 1998-12-10 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 TRUNCATE TABLE t5; DROP TABLE t5; INSERT INTO t1 SET c1='00'; INSERT IGNORE INTO t2 SET c1=69; Warnings: Warning 1364 Field 'c2' doesn't have a default value INSERT INTO t3 SET c1=70; INSERT IGNORE INTO t4 SET c2=99; Warnings: Warning 1364 Field 'c1' doesn't have a default value SELECT * FROM t1 WHERE c1=0; c1 c2 c3 c4 0000 0000 2008-01-04 2008-01-05 00:00:00 SELECT * FROM t2 WHERE c1=69; c1 c2 c3 c4 2069 0000 NULL NULL 2069 1970 1998-12-30 1998-12-30 11:30:45 2069 2069 1998-12-13 1998-12-13 11:30:45 SELECT * FROM t3 WHERE c1=70; c1 c2 c3 c4 1970 1970 1998-12-12 1998-12-12 11:30:45 1970 NULL NULL NULL SELECT * FROM t4 WHERE c2=99; c1 c2 c3 c4 0000 1999 NULL NULL 1999 1999 1998-12-02 1998-12-02 11:30:45 1999 1999 1998-12-10 1998-12-10 11:30:45 1999 1999 1998-12-23 1998-12-23 11:30:45 1999 1999 1998-12-30 1998-12-30 11:30:45 DROP TABLE t1,t2,t3,t4; CREATE TABLE t1(c1 YEAR(2) NOT NULL, c2 YEAR(2) NULL, c3 DATE, c4 DATETIME, PRIMARY KEY(c1), UNIQUE INDEX(c2)); Warnings: Note 1287 'YEAR(2)' is deprecated and will be removed in a future release. Please use YEAR(4) instead Note 1287 'YEAR(2)' is deprecated and will be removed in a future release. Please use YEAR(4) instead CREATE TABLE t2(c1 YEAR(2) NOT NULL, c2 YEAR(2) NULL, c3 DATE, c4 DATETIME, PRIMARY KEY(c1,c2)); Warnings: Note 1287 'YEAR(2)' is deprecated and will be removed in a future release. Please use YEAR(4) instead Note 1287 'YEAR(2)' is deprecated and will be removed in a future release. Please use YEAR(4) instead CREATE TABLE t3(c1 YEAR(2) NOT NULL, c2 YEAR(2) NULL, c3 DATE, c4 DATETIME, UNIQUE INDEX idx(c1,c2)); Warnings: Note 1287 'YEAR(2)' is deprecated and will be removed in a future release. Please use YEAR(4) instead Note 1287 'YEAR(2)' is deprecated and will be removed in a future release. Please use YEAR(4) instead CREATE TABLE t4(c1 YEAR(2) NOT NULL, c2 YEAR(2) NULL, c3 DATE, c4 DATETIME); Warnings: Note 1287 'YEAR(2)' is deprecated and will be removed in a future release. Please use YEAR(4) instead Note 1287 'YEAR(2)' is deprecated and will be removed in a future release. Please use YEAR(4) instead INSERT INTO t1 VALUES('1901','1901','98-12-31','98.12.31 11:30:45'),('1999','1999','98-12-30','98.12.30 11:30:45'),('2000','2000','98-12-29','98.12.29 11:30:45'),('2001','2001','98-12-28','98.12.28 11:30:45'),('2099','2099','98-12-27','98.12.27 11:30:45'),('2100','2100','98-12-26','98.12.26 11:30:45'),('2155','2155','98-12-26','98.12.26 11:30:45'); INSERT INTO t2 VALUES('1901','1901','98-12-31','98.12.31 11:30:45'),('1999','1999','98-12-30','98.12.30 11:30:45'),('2000','2000','98-12-29','98.12.29 11:30:45'),('2001','2001','98-12-28','98.12.28 11:30:45'),('2099','2099','98-12-27','98.12.27 11:30:45'),('2100','2100','98-12-26','98.12.26 11:30:45'),('2155','2155','98-12-26','98.12.26 11:30:45'); INSERT INTO t3 VALUES('1901','1901','98-12-31','98.12.31 11:30:45'),('1999','1999','98-12-30','98.12.30 11:30:45'),('2000','2000','98-12-29','98.12.29 11:30:45'),('2001','2001','98-12-28','98.12.28 11:30:45'),('2099','2099','98-12-27','98.12.27 11:30:45'),('2100','2100','98-12-26','98.12.26 11:30:45'),('2155','2155','98-12-26','98.12.26 11:30:45'); INSERT INTO t4 VALUES('1901','1901','98-12-31','98.12.31 11:30:45'),('1999','1999','98-12-30','98.12.30 11:30:45'),('2000','2000','98-12-29','98.12.29 11:30:45'),('2001','2001','98-12-28','98.12.28 11:30:45'),('2099','2099','98-12-27','98.12.27 11:30:45'),('2100','2100','98-12-26','98.12.26 11:30:45'),('2155','2155','98-12-25','98.12.25 11:30:45'); INSERT INTO t4 VALUES(1901,1901,'98-12-24','98.12.24 11:30:45'),(1999,1999,'98-12-23','98.12.23 11:30:45'),(2000,2000,'98-12-22','98.12.22 11:30:45'),(2001,2001,'98-12-21','98.12.21 11:30:45'),(2099,2099,'98-12-20','98.12.20 11:30:45'),(2100,2100,'98-12-19','98.12.19 11:30:45'),(2155,2155,'98-12-18','98.12.18 11:30:45'); INSERT INTO t1 VALUES('20','20','98-12-16','98.12.16 11:30:45'),('40','40','98-12-15','98.12.15 11:30:45'),('60','60','98-12-14','98.12.14 11:30:45'),('69','69','98-12-13','98.12.13 11:30:45'),('70','70','98-12-12','98.12.12 11:30:45'),('90','90','98-12-11','98.12.11 11:30:45'); INSERT INTO t2 VALUES('00','10','98-12-17','98.12.17 11:30:45'),('20','20','98-12-16','98.12.16 11:30:45'),('40','40','98-12-15','98.12.15 11:30:45'),('60','60','98-12-14','98.12.14 11:30:45'),('69','69','98-12-13','98.12.13 11:30:45'),('70','70','98-12-12','98.12.12 11:30:45'),('90','90','98-12-11','98.12.11 11:30:45'),('99','98','98-12-10','98.12.10 11:30:45'); INSERT INTO t3 VALUES('00','10','98-12-17','98.12.17 11:30:45'),('20','20','98-12-16','98.12.16 11:30:45'),('40','40','98-12-15','98.12.15 11:30:45'),('60','60','98-12-14','98.12.14 11:30:45'),('69','69','98-12-13','98.12.13 11:30:45'),('70','70','98-12-12','98.12.12 11:30:45'),('90','90','98-12-11','98.12.11 11:30:45'),('99','98','98-12-10','98.12.10 11:30:45'); INSERT INTO t4 VALUES('00','00','98-12-17','98.12.17 11:30:45'),('20','20','98-12-16','98.12.16 11:30:45'),('40','40','98-12-15','98.12.15 11:30:45'),('60','60','98-12-14','98.12.14 11:30:45'),('69','69','98-12-13','98.12.13 11:30:45'),('70','70','98-12-12','98.12.12 11:30:45'),('90','90','98-12-11','98.12.11 11:30:45'),('99','99','98-12-10','98.12.10 11:30:45'); INSERT INTO t4 VALUES(1,1,'98-12-9','98.12.9 11:30:45'),(20,20,'98-12-8','98.12.8 11:30:45'),(40,40,'98-12-7','98.12.7 11:30:45'),(60,60,'98-12-6','98.12.6 11:30:45'),(69,69,'98-12-5','98.12.5 11:30:45'),(70,70,'98-12-4','98.12.4 11:30:45'),(90,90,'98-12-3','98.12.3 11:30:45'),(99,99,'98-12-2','98.12.2 11:30:45'); SET TIMESTAMP=1233216687; INSERT IGNORE INTO t1 VALUES(NOW(),CURRENT_DATE,NOW(),CURRENT_DATE); Warnings: Warning 1265 Data truncated for column 'c1' at row 1 Warning 1265 Data truncated for column 'c2' at row 1 Note 1265 Data truncated for column 'c3' at row 1 INSERT IGNORE INTO t2 VALUES(NOW(),CURRENT_DATE,NOW(),CURRENT_DATE); Warnings: Warning 1265 Data truncated for column 'c1' at row 1 Warning 1265 Data truncated for column 'c2' at row 1 Note 1265 Data truncated for column 'c3' at row 1 INSERT IGNORE INTO t3 VALUES(NOW(),CURRENT_DATE,NOW(),CURRENT_DATE); Warnings: Warning 1265 Data truncated for column 'c1' at row 1 Warning 1265 Data truncated for column 'c2' at row 1 Note 1265 Data truncated for column 'c3' at row 1 INSERT IGNORE INTO t4 VALUES(NOW(),CURRENT_DATE,NOW(),CURRENT_DATE); Warnings: Warning 1265 Data truncated for column 'c1' at row 1 Warning 1265 Data truncated for column 'c2' at row 1 Note 1265 Data truncated for column 'c3' at row 1 INSERT INTO t1(c1) VALUES('5'); INSERT IGNORE INTO t2(c1) VALUES('5'); Warnings: Warning 1364 Field 'c2' doesn't have a default value INSERT INTO t3(c1) VALUES('5'); INSERT INTO t4(c1,c2) VALUES('0','000'); INSERT IGNORE INTO t2 VALUES(1900,2156,'08-01-06','08/01/07'); Warnings: Warning 1264 Out of range value for column 'c1' at row 1 Warning 1264 Out of range value for column 'c2' at row 1 INSERT IGNORE INTO t3 VALUES('1900','2156','08-01-08','08/1/9'); Warnings: Warning 1264 Out of range value for column 'c1' at row 1 Warning 1264 Out of range value for column 'c2' at row 1 INSERT IGNORE INTO t4 VALUES('1900','2156','08-01-08','08/1/9'),(1900,2156,'08-01-08','08/1/9'),(0,00,'08-01-08','08/1/9'),(000,000,'08-01-08','08/1/9'),('-20','100','08-01-08','08/1/9'),(-20,100,'08-01-08','08/1/9'); Warnings: Warning 1264 Out of range value for column 'c1' at row 1 Warning 1264 Out of range value for column 'c2' at row 1 Warning 1264 Out of range value for column 'c1' at row 2 Warning 1264 Out of range value for column 'c2' at row 2 Warning 1264 Out of range value for column 'c1' at row 5 Warning 1264 Out of range value for column 'c2' at row 5 Warning 1264 Out of range value for column 'c1' at row 6 Warning 1264 Out of range value for column 'c2' at row 6 INSERT IGNORE INTO t1 VALUES('','','08-01-04','08/01/05') /* Inserts zero dates for '' strings */; Warnings: Warning 1366 Incorrect integer value: '' for column `test`.`t1`.`c1` at row 1 Warning 1366 Incorrect integer value: '' for column `test`.`t1`.`c2` at row 1 INSERT IGNORE INTO t4 VALUES('abcd','abcd','08-01-10','08/01/11'),(1234,1234,'08-01-12','08/01/13') /* Inserts zero dates for absurd dates */; Warnings: Warning 1366 Incorrect integer value: 'abcd' for column `test`.`t4`.`c1` at row 1 Warning 1366 Incorrect integer value: 'abcd' for column `test`.`t4`.`c2` at row 1 Warning 1264 Out of range value for column 'c1' at row 2 Warning 1264 Out of range value for column 'c2' at row 2 INSERT INTO t2 VALUES('20','30','98-12-16','98.12.16 11:30:45'),('40','20','98-12-15','98.12.15 11:30:45'); INSERT INTO t3 VALUES('00','20','98-12-17','98.12.17 11:30:45'),('20','40','98-12-10','98.12.10 11:30:45'); INSERT INTO t1 VALUES(80,NULL,'08-01-02','08/01/03'); INSERT INTO t3 VALUES(80,NULL,'08-01-02','08/01/03'); INSERT INTO t4 VALUES(80,NULL,'08-01-02','08/01/03'); INSERT INTO t1(c1,c2) VALUES(1992,NULL); SELECT * FROM t1; c1 c2 c3 c4 00 00 1998-12-26 1998-12-26 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 00 00 2008-01-04 2008-01-05 00:00:00 01 01 1998-12-28 1998-12-28 11:30:45 01 01 1998-12-31 1998-12-31 11:30:45 05 NULL NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 20 1998-12-16 1998-12-16 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 80 NULL 2008-01-02 2008-01-03 00:00:00 90 90 1998-12-11 1998-12-11 11:30:45 92 NULL NULL NULL 99 99 1998-12-27 1998-12-27 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 SELECT * FROM t2; c1 c2 c3 c4 00 00 1998-12-26 1998-12-26 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 00 00 2008-01-06 2008-01-07 00:00:00 00 10 1998-12-17 1998-12-17 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 01 01 1998-12-31 1998-12-31 11:30:45 05 00 NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 20 1998-12-16 1998-12-16 11:30:45 20 30 1998-12-16 1998-12-16 11:30:45 40 20 1998-12-15 1998-12-15 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 90 90 1998-12-11 1998-12-11 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 SELECT * FROM t3; c1 c2 c3 c4 00 00 1998-12-26 1998-12-26 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 00 00 2008-01-08 2008-01-09 00:00:00 00 10 1998-12-17 1998-12-17 11:30:45 00 20 1998-12-17 1998-12-17 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 01 01 1998-12-31 1998-12-31 11:30:45 05 NULL NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 20 1998-12-16 1998-12-16 11:30:45 20 40 1998-12-10 1998-12-10 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 80 NULL 2008-01-02 2008-01-03 00:00:00 90 90 1998-12-11 1998-12-11 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 SELECT * FROM t4; c1 c2 c3 c4 00 00 1998-12-17 1998-12-17 11:30:45 00 00 1998-12-19 1998-12-19 11:30:45 00 00 1998-12-22 1998-12-22 11:30:45 00 00 1998-12-26 1998-12-26 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 00 00 2008-01-08 2008-01-09 00:00:00 00 00 2008-01-08 2008-01-09 00:00:00 00 00 2008-01-08 2008-01-09 00:00:00 00 00 2008-01-08 2008-01-09 00:00:00 00 00 2008-01-08 2008-01-09 00:00:00 00 00 2008-01-08 2008-01-09 00:00:00 00 00 2008-01-10 2008-01-11 00:00:00 00 00 2008-01-12 2008-01-13 00:00:00 00 00 NULL NULL 01 01 1998-12-09 1998-12-09 11:30:45 01 01 1998-12-21 1998-12-21 11:30:45 01 01 1998-12-24 1998-12-24 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 01 01 1998-12-31 1998-12-31 11:30:45 09 09 2009-01-29 2009-01-29 00:00:00 20 20 1998-12-08 1998-12-08 11:30:45 20 20 1998-12-16 1998-12-16 11:30:45 40 40 1998-12-07 1998-12-07 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 55 55 1998-12-18 1998-12-18 11:30:45 55 55 1998-12-25 1998-12-25 11:30:45 60 60 1998-12-06 1998-12-06 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-05 1998-12-05 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 70 70 1998-12-04 1998-12-04 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 80 NULL 2008-01-02 2008-01-03 00:00:00 90 90 1998-12-03 1998-12-03 11:30:45 90 90 1998-12-11 1998-12-11 11:30:45 99 99 1998-12-02 1998-12-02 11:30:45 99 99 1998-12-10 1998-12-10 11:30:45 99 99 1998-12-20 1998-12-20 11:30:45 99 99 1998-12-23 1998-12-23 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 SELECT * FROM t2; c1 c2 c3 c4 00 00 1998-12-26 1998-12-26 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 00 00 2008-01-06 2008-01-07 00:00:00 00 10 1998-12-17 1998-12-17 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 01 01 1998-12-31 1998-12-31 11:30:45 05 00 NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 20 1998-12-16 1998-12-16 11:30:45 20 30 1998-12-16 1998-12-16 11:30:45 40 20 1998-12-15 1998-12-15 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 90 90 1998-12-11 1998-12-11 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 SELECT count(*) as total_rows, min(c1) as min_value, max(c1) FROM t2; total_rows min_value max(c1) 20 0 55 SELECT * FROM t2 WHERE c3 = '1998-12-11'; c1 c2 c3 c4 90 90 1998-12-11 1998-12-11 11:30:45 SELECT c1,c2 FROM t2; c1 c2 00 00 00 00 00 00 00 10 01 01 01 01 05 00 09 09 20 20 20 30 40 20 40 40 55 55 60 60 69 69 70 70 90 90 99 98 99 99 99 99 SELECT c1,c2 FROM t2 ORDER BY c1,c2 DESC; c1 c2 00 00 01 01 70 70 90 90 99 99 99 98 00 10 00 00 01 01 05 00 09 09 20 30 20 20 40 40 40 20 60 60 69 69 99 99 00 00 55 55 SELECT * FROM t2 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c1 = '1901' ORDER BY c1,c2; c1 c2 c3 c4 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c1 = '1901' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c1 = '1901' ORDER BY c1,c2 DESC; c1 c2 c3 c4 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c1 = '1901' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c1 <> '1901' ORDER BY c1,c2; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 70 70 1998-12-12 1998-12-12 11:30:45 90 90 1998-12-11 1998-12-11 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 00 10 1998-12-17 1998-12-17 11:30:45 05 00 NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 20 1998-12-16 1998-12-16 11:30:45 20 30 1998-12-16 1998-12-16 11:30:45 40 20 1998-12-15 1998-12-15 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 00 00 1998-12-26 1998-12-26 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c1 <> '1901' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 70 70 1998-12-12 1998-12-12 11:30:45 SELECT * FROM t2 WHERE c1 > '1901' ORDER BY c1,c2; c1 c2 c3 c4 70 70 1998-12-12 1998-12-12 11:30:45 90 90 1998-12-11 1998-12-11 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 05 00 NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 20 1998-12-16 1998-12-16 11:30:45 20 30 1998-12-16 1998-12-16 11:30:45 40 20 1998-12-15 1998-12-15 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c1 > '1901' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 70 70 1998-12-12 1998-12-12 11:30:45 90 90 1998-12-11 1998-12-11 11:30:45 SELECT * FROM t2 WHERE c1 >= '1901' ORDER BY c1,c2; c1 c2 c3 c4 01 01 1998-12-31 1998-12-31 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 90 90 1998-12-11 1998-12-11 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 05 00 NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 20 1998-12-16 1998-12-16 11:30:45 20 30 1998-12-16 1998-12-16 11:30:45 40 20 1998-12-15 1998-12-15 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c1 >= '1901' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 01 01 1998-12-31 1998-12-31 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 SELECT * FROM t2 WHERE c1 < '1901' ORDER BY c1,c2; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 SELECT * FROM t2 WHERE c1 < '1901' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 SELECT * FROM t2 WHERE c1 <= '1901' ORDER BY c1,c2; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c1 <= '1901' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c1 <=> '1901' ORDER BY c1,c2; c1 c2 c3 c4 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c1 <=> '1901' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c1 BETWEEN '1901' AND '2020' ORDER BY c1,c2; c1 c2 c3 c4 01 01 1998-12-31 1998-12-31 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 05 00 NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 20 1998-12-16 1998-12-16 11:30:45 20 30 1998-12-16 1998-12-16 11:30:45 SELECT * FROM t2 WHERE c1 BETWEEN '1901' AND '2020' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 01 01 1998-12-31 1998-12-31 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 SELECT * FROM t2 WHERE c1 IN ('1901','2020') ORDER BY c1,c2; c1 c2 c3 c4 01 01 1998-12-31 1998-12-31 11:30:45 20 20 1998-12-16 1998-12-16 11:30:45 20 30 1998-12-16 1998-12-16 11:30:45 SELECT * FROM t2 WHERE c1 IN ('1901','2020') ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 01 01 1998-12-31 1998-12-31 11:30:45 20 20 1998-12-16 1998-12-16 11:30:45 SELECT * FROM t2 WHERE c1 >= '1901' AND c1 < '2020' AND c2 = '2009' ORDER BY c1,c2; c1 c2 c3 c4 09 09 2009-01-29 2009-01-29 00:00:00 SELECT * FROM t2 WHERE c1 >= '1901' AND c1 < '2020' AND c2 = '2009' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 09 09 2009-01-29 2009-01-29 00:00:00 SELECT * FROM t2 WHERE c1 IS NULL ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c1 IS NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c1 IS NOT NULL ORDER BY c1,c2; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 90 90 1998-12-11 1998-12-11 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 00 10 1998-12-17 1998-12-17 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 05 00 NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 20 1998-12-16 1998-12-16 11:30:45 20 30 1998-12-16 1998-12-16 11:30:45 40 20 1998-12-15 1998-12-15 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 00 00 1998-12-26 1998-12-26 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c1 IS NOT NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c1 <> '1901' ORDER BY c1,c2 DESC; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 70 70 1998-12-12 1998-12-12 11:30:45 90 90 1998-12-11 1998-12-11 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 00 10 1998-12-17 1998-12-17 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 05 00 NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 30 1998-12-16 1998-12-16 11:30:45 20 20 1998-12-16 1998-12-16 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 40 20 1998-12-15 1998-12-15 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 00 00 1998-12-26 1998-12-26 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c1 <> '1901' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 70 70 1998-12-12 1998-12-12 11:30:45 SELECT * FROM t2 WHERE c1 > '1901' ORDER BY c1,c2 DESC; c1 c2 c3 c4 70 70 1998-12-12 1998-12-12 11:30:45 90 90 1998-12-11 1998-12-11 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 05 00 NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 30 1998-12-16 1998-12-16 11:30:45 20 20 1998-12-16 1998-12-16 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 40 20 1998-12-15 1998-12-15 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c1 > '1901' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 70 70 1998-12-12 1998-12-12 11:30:45 90 90 1998-12-11 1998-12-11 11:30:45 SELECT * FROM t2 WHERE c1 >= '1901' ORDER BY c1,c2 DESC; c1 c2 c3 c4 01 01 1998-12-31 1998-12-31 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 90 90 1998-12-11 1998-12-11 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 05 00 NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 30 1998-12-16 1998-12-16 11:30:45 20 20 1998-12-16 1998-12-16 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 40 20 1998-12-15 1998-12-15 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c1 >= '1901' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 01 01 1998-12-31 1998-12-31 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 SELECT * FROM t2 WHERE c1 < '1901' ORDER BY c1,c2 DESC; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 SELECT * FROM t2 WHERE c1 < '1901' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 SELECT * FROM t2 WHERE c1 <= '1901' ORDER BY c1,c2 DESC; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c1 <= '1901' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c1 <=> '1901' ORDER BY c1,c2 DESC; c1 c2 c3 c4 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c1 <=> '1901' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c1 BETWEEN '1901' AND '2020' ORDER BY c1,c2 DESC; c1 c2 c3 c4 01 01 1998-12-31 1998-12-31 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 05 00 NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 30 1998-12-16 1998-12-16 11:30:45 20 20 1998-12-16 1998-12-16 11:30:45 SELECT * FROM t2 WHERE c1 BETWEEN '1901' AND '2020' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 01 01 1998-12-31 1998-12-31 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 SELECT * FROM t2 WHERE c1 IN ('1901','2020') ORDER BY c1,c2 DESC; c1 c2 c3 c4 01 01 1998-12-31 1998-12-31 11:30:45 20 30 1998-12-16 1998-12-16 11:30:45 20 20 1998-12-16 1998-12-16 11:30:45 SELECT * FROM t2 WHERE c1 IN ('1901','2020') ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 01 01 1998-12-31 1998-12-31 11:30:45 20 30 1998-12-16 1998-12-16 11:30:45 SELECT * FROM t2 WHERE c1 >= '1901' AND c1 < '2020' AND c2 = '2009' ORDER BY c1,c2 DESC; c1 c2 c3 c4 09 09 2009-01-29 2009-01-29 00:00:00 SELECT * FROM t2 WHERE c1 >= '1901' AND c1 < '2020' AND c2 = '2009' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 09 09 2009-01-29 2009-01-29 00:00:00 SELECT * FROM t2 WHERE c1 IS NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t2 WHERE c1 IS NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c1 IS NOT NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 90 90 1998-12-11 1998-12-11 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 00 10 1998-12-17 1998-12-17 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 05 00 NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 30 1998-12-16 1998-12-16 11:30:45 20 20 1998-12-16 1998-12-16 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 40 20 1998-12-15 1998-12-15 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 00 00 1998-12-26 1998-12-26 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c1 IS NOT NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2; c1 c2 c3 c4 00 00 1998-12-26 1998-12-26 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 00 00 2008-01-06 2008-01-07 00:00:00 00 10 1998-12-17 1998-12-17 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 01 01 1998-12-31 1998-12-31 11:30:45 05 00 NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 20 1998-12-16 1998-12-16 11:30:45 20 30 1998-12-16 1998-12-16 11:30:45 40 20 1998-12-15 1998-12-15 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 90 90 1998-12-11 1998-12-11 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 SELECT count(*) as total_rows, min(c1) as min_value, max(c1) FROM t2; total_rows min_value max(c1) 20 0 55 SELECT * FROM t2 WHERE c3 = '1998-12-11'; c1 c2 c3 c4 90 90 1998-12-11 1998-12-11 11:30:45 SELECT c1,c2 FROM t2; c1 c2 00 00 00 00 00 00 00 10 01 01 01 01 05 00 09 09 20 20 20 30 40 20 40 40 55 55 60 60 69 69 70 70 90 90 99 98 99 99 99 99 SELECT c1,c2 FROM t2 ORDER BY c1,c2 DESC; c1 c2 00 00 01 01 70 70 90 90 99 99 99 98 00 10 00 00 01 01 05 00 09 09 20 30 20 20 40 40 40 20 60 60 69 69 99 99 00 00 55 55 SELECT * FROM t2 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c1 = '10' ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c1 = '10' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c1 = '10' ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t2 WHERE c1 = '10' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c1 <> '10' ORDER BY c1,c2; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 90 90 1998-12-11 1998-12-11 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 00 10 1998-12-17 1998-12-17 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 05 00 NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 20 1998-12-16 1998-12-16 11:30:45 20 30 1998-12-16 1998-12-16 11:30:45 40 20 1998-12-15 1998-12-15 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 00 00 1998-12-26 1998-12-26 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c1 <> '10' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c1 > '10' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 20 20 1998-12-16 1998-12-16 11:30:45 20 30 1998-12-16 1998-12-16 11:30:45 SELECT * FROM t2 WHERE c1 >= '10' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 20 20 1998-12-16 1998-12-16 11:30:45 20 30 1998-12-16 1998-12-16 11:30:45 SELECT * FROM t2 WHERE c1 < '10' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c1 <= '10' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c1 <=> '10' ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c1 <=> '10' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c1 BETWEEN '10' AND '2020' ORDER BY c1,c2; c1 c2 c3 c4 20 20 1998-12-16 1998-12-16 11:30:45 20 30 1998-12-16 1998-12-16 11:30:45 SELECT * FROM t2 WHERE c1 BETWEEN '10' AND '2020' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 20 20 1998-12-16 1998-12-16 11:30:45 20 30 1998-12-16 1998-12-16 11:30:45 SELECT * FROM t2 WHERE c1 IN ('10','2020') ORDER BY c1,c2; c1 c2 c3 c4 20 20 1998-12-16 1998-12-16 11:30:45 20 30 1998-12-16 1998-12-16 11:30:45 SELECT * FROM t2 WHERE c1 IN ('10','2020') ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 20 20 1998-12-16 1998-12-16 11:30:45 20 30 1998-12-16 1998-12-16 11:30:45 SELECT * FROM t2 WHERE c1 >= '10' AND c1 < '2020' AND c2 = '2009' ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c1 >= '10' AND c1 < '2020' AND c2 = '2009' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c1 IS NULL ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c1 IS NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c1 IS NOT NULL ORDER BY c1,c2; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 90 90 1998-12-11 1998-12-11 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 00 10 1998-12-17 1998-12-17 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 05 00 NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 20 1998-12-16 1998-12-16 11:30:45 20 30 1998-12-16 1998-12-16 11:30:45 40 20 1998-12-15 1998-12-15 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 00 00 1998-12-26 1998-12-26 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c1 IS NOT NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c1 <> '10' ORDER BY c1,c2 DESC; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 90 90 1998-12-11 1998-12-11 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 00 10 1998-12-17 1998-12-17 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 05 00 NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 30 1998-12-16 1998-12-16 11:30:45 20 20 1998-12-16 1998-12-16 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 40 20 1998-12-15 1998-12-15 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 00 00 1998-12-26 1998-12-26 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c1 <> '10' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c1 > '10' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 20 30 1998-12-16 1998-12-16 11:30:45 20 20 1998-12-16 1998-12-16 11:30:45 SELECT * FROM t2 WHERE c1 >= '10' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 20 30 1998-12-16 1998-12-16 11:30:45 20 20 1998-12-16 1998-12-16 11:30:45 SELECT * FROM t2 WHERE c1 < '10' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c1 <= '10' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c1 <=> '10' ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t2 WHERE c1 <=> '10' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c1 BETWEEN '10' AND '2020' ORDER BY c1,c2 DESC; c1 c2 c3 c4 20 30 1998-12-16 1998-12-16 11:30:45 20 20 1998-12-16 1998-12-16 11:30:45 SELECT * FROM t2 WHERE c1 BETWEEN '10' AND '2020' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 20 30 1998-12-16 1998-12-16 11:30:45 20 20 1998-12-16 1998-12-16 11:30:45 SELECT * FROM t2 WHERE c1 IN ('10','2020') ORDER BY c1,c2 DESC; c1 c2 c3 c4 20 30 1998-12-16 1998-12-16 11:30:45 20 20 1998-12-16 1998-12-16 11:30:45 SELECT * FROM t2 WHERE c1 IN ('10','2020') ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 20 30 1998-12-16 1998-12-16 11:30:45 20 20 1998-12-16 1998-12-16 11:30:45 SELECT * FROM t2 WHERE c1 >= '10' AND c1 < '2020' AND c2 = '2009' ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t2 WHERE c1 >= '10' AND c1 < '2020' AND c2 = '2009' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c1 IS NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t2 WHERE c1 IS NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c1 IS NOT NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 90 90 1998-12-11 1998-12-11 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 00 10 1998-12-17 1998-12-17 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 05 00 NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 30 1998-12-16 1998-12-16 11:30:45 20 20 1998-12-16 1998-12-16 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 40 20 1998-12-15 1998-12-15 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 00 00 1998-12-26 1998-12-26 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c1 IS NOT NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2; c1 c2 c3 c4 00 00 1998-12-26 1998-12-26 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 00 00 2008-01-06 2008-01-07 00:00:00 00 10 1998-12-17 1998-12-17 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 01 01 1998-12-31 1998-12-31 11:30:45 05 00 NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 20 1998-12-16 1998-12-16 11:30:45 20 30 1998-12-16 1998-12-16 11:30:45 40 20 1998-12-15 1998-12-15 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 90 90 1998-12-11 1998-12-11 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 SELECT count(*) as total_rows, min(c2) as min_value, max(c2) FROM t2; total_rows min_value max(c2) 20 70 69 SELECT * FROM t2 WHERE c3 = '1998-12-11'; c1 c2 c3 c4 90 90 1998-12-11 1998-12-11 11:30:45 SELECT c1,c2 FROM t2; c1 c2 00 00 00 00 00 00 00 10 01 01 01 01 05 00 09 09 20 20 20 30 40 20 40 40 55 55 60 60 69 69 70 70 90 90 99 98 99 99 99 99 SELECT c1,c2 FROM t2 ORDER BY c1,c2 DESC; c1 c2 00 00 01 01 70 70 90 90 99 99 99 98 00 10 00 00 01 01 05 00 09 09 20 30 20 20 40 40 40 20 60 60 69 69 99 99 00 00 55 55 SELECT * FROM t2 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c2 = 2155 ORDER BY c1,c2; c1 c2 c3 c4 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 = 2155 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 = 2155 ORDER BY c1,c2 DESC; c1 c2 c3 c4 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 = 2155 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 <> 2155 ORDER BY c1,c2; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 90 90 1998-12-11 1998-12-11 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 00 10 1998-12-17 1998-12-17 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 05 00 NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 20 1998-12-16 1998-12-16 11:30:45 20 30 1998-12-16 1998-12-16 11:30:45 40 20 1998-12-15 1998-12-15 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 00 00 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 <> 2155 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c2 > 2155 ORDER BY c1,c2; c1 c2 c3 c4 70 70 1998-12-12 1998-12-12 11:30:45 90 90 1998-12-11 1998-12-11 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 SELECT * FROM t2 WHERE c2 > 2155 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 70 70 1998-12-12 1998-12-12 11:30:45 90 90 1998-12-11 1998-12-11 11:30:45 SELECT * FROM t2 WHERE c2 >= 2155 ORDER BY c1,c2; c1 c2 c3 c4 70 70 1998-12-12 1998-12-12 11:30:45 90 90 1998-12-11 1998-12-11 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 >= 2155 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 70 70 1998-12-12 1998-12-12 11:30:45 90 90 1998-12-11 1998-12-11 11:30:45 SELECT * FROM t2 WHERE c2 < 2155 ORDER BY c1,c2; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 00 10 1998-12-17 1998-12-17 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 05 00 NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 20 1998-12-16 1998-12-16 11:30:45 20 30 1998-12-16 1998-12-16 11:30:45 40 20 1998-12-15 1998-12-15 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 00 00 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 < 2155 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c2 <= 2155 ORDER BY c1,c2; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 00 10 1998-12-17 1998-12-17 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 05 00 NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 20 1998-12-16 1998-12-16 11:30:45 20 30 1998-12-16 1998-12-16 11:30:45 40 20 1998-12-15 1998-12-15 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 00 00 1998-12-26 1998-12-26 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 <= 2155 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c2 <=> 2155 ORDER BY c1,c2; c1 c2 c3 c4 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 <=> 2155 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 BETWEEN '1970' AND 2155 ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 BETWEEN '1970' AND 2155 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 IN ('1970',2155) ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 IN ('1970',2155) ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 >= '1970' AND c2 < 2155 AND c1 = '1999' ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 >= '1970' AND c2 < 2155 AND c1 = '1999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 IS NULL ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 IS NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 IS NOT NULL ORDER BY c1,c2; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 90 90 1998-12-11 1998-12-11 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 00 10 1998-12-17 1998-12-17 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 05 00 NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 20 1998-12-16 1998-12-16 11:30:45 20 30 1998-12-16 1998-12-16 11:30:45 40 20 1998-12-15 1998-12-15 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 00 00 1998-12-26 1998-12-26 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 IS NOT NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c2 <> 2155 ORDER BY c1,c2 DESC; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 90 90 1998-12-11 1998-12-11 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 00 10 1998-12-17 1998-12-17 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 05 00 NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 30 1998-12-16 1998-12-16 11:30:45 20 20 1998-12-16 1998-12-16 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 40 20 1998-12-15 1998-12-15 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 00 00 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 <> 2155 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c2 > 2155 ORDER BY c1,c2 DESC; c1 c2 c3 c4 70 70 1998-12-12 1998-12-12 11:30:45 90 90 1998-12-11 1998-12-11 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 SELECT * FROM t2 WHERE c2 > 2155 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 70 70 1998-12-12 1998-12-12 11:30:45 90 90 1998-12-11 1998-12-11 11:30:45 SELECT * FROM t2 WHERE c2 >= 2155 ORDER BY c1,c2 DESC; c1 c2 c3 c4 70 70 1998-12-12 1998-12-12 11:30:45 90 90 1998-12-11 1998-12-11 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 >= 2155 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 70 70 1998-12-12 1998-12-12 11:30:45 90 90 1998-12-11 1998-12-11 11:30:45 SELECT * FROM t2 WHERE c2 < 2155 ORDER BY c1,c2 DESC; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 00 10 1998-12-17 1998-12-17 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 05 00 NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 30 1998-12-16 1998-12-16 11:30:45 20 20 1998-12-16 1998-12-16 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 40 20 1998-12-15 1998-12-15 11:30:45 00 00 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 < 2155 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c2 <= 2155 ORDER BY c1,c2 DESC; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 00 10 1998-12-17 1998-12-17 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 05 00 NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 30 1998-12-16 1998-12-16 11:30:45 20 20 1998-12-16 1998-12-16 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 40 20 1998-12-15 1998-12-15 11:30:45 00 00 1998-12-26 1998-12-26 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 <= 2155 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c2 <=> 2155 ORDER BY c1,c2 DESC; c1 c2 c3 c4 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 <=> 2155 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 BETWEEN '1970' AND 2155 ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 BETWEEN '1970' AND 2155 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 IN ('1970',2155) ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 IN ('1970',2155) ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 >= '1970' AND c2 < 2155 AND c1 = '1999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 >= '1970' AND c2 < 2155 AND c1 = '1999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 IS NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 IS NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 IS NOT NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 90 90 1998-12-11 1998-12-11 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 00 10 1998-12-17 1998-12-17 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 05 00 NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 30 1998-12-16 1998-12-16 11:30:45 20 20 1998-12-16 1998-12-16 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 40 20 1998-12-15 1998-12-15 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 00 00 1998-12-26 1998-12-26 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 IS NOT NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2; c1 c2 c3 c4 00 00 1998-12-26 1998-12-26 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 00 00 2008-01-06 2008-01-07 00:00:00 00 10 1998-12-17 1998-12-17 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 01 01 1998-12-31 1998-12-31 11:30:45 05 00 NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 20 1998-12-16 1998-12-16 11:30:45 20 30 1998-12-16 1998-12-16 11:30:45 40 20 1998-12-15 1998-12-15 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 90 90 1998-12-11 1998-12-11 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 SELECT count(*) as total_rows, min(c2) as min_value, max(c2) FROM t2; total_rows min_value max(c2) 20 70 69 SELECT * FROM t2 WHERE c3 = '1998-12-11'; c1 c2 c3 c4 90 90 1998-12-11 1998-12-11 11:30:45 SELECT c1,c2 FROM t2; c1 c2 00 00 00 00 00 00 00 10 01 01 01 01 05 00 09 09 20 20 20 30 40 20 40 40 55 55 60 60 69 69 70 70 90 90 99 98 99 99 99 99 SELECT c1,c2 FROM t2 ORDER BY c1,c2 DESC; c1 c2 00 00 01 01 70 70 90 90 99 99 99 98 00 10 00 00 01 01 05 00 09 09 20 30 20 20 40 40 40 20 60 60 69 69 99 99 00 00 55 55 SELECT * FROM t2 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c2 = NULL ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 = NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 = NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 = NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 <> NULL ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 <> NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 > NULL ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 > NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 >= NULL ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 >= NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 < NULL ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 < NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 <= NULL ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 <= NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 <=> NULL ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 <=> NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 BETWEEN NULL AND '2069' ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 BETWEEN NULL AND '2069' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 IN (NULL,'2069') ORDER BY c1,c2; c1 c2 c3 c4 69 69 1998-12-13 1998-12-13 11:30:45 SELECT * FROM t2 WHERE c2 IN (NULL,'2069') ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 69 69 1998-12-13 1998-12-13 11:30:45 SELECT * FROM t2 WHERE c2 >= NULL AND c2 < '2069' AND c1 = '2000' ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 >= NULL AND c2 < '2069' AND c1 = '2000' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 IS NULL ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 IS NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 IS NOT NULL ORDER BY c1,c2; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 90 90 1998-12-11 1998-12-11 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 00 10 1998-12-17 1998-12-17 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 05 00 NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 20 1998-12-16 1998-12-16 11:30:45 20 30 1998-12-16 1998-12-16 11:30:45 40 20 1998-12-15 1998-12-15 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 00 00 1998-12-26 1998-12-26 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 IS NOT NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t2 WHERE c2 <> NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 <> NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 > NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 > NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 >= NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 >= NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 < NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 < NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 <= NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 <= NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 <=> NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 <=> NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 BETWEEN NULL AND '2069' ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 BETWEEN NULL AND '2069' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 IN (NULL,'2069') ORDER BY c1,c2 DESC; c1 c2 c3 c4 69 69 1998-12-13 1998-12-13 11:30:45 SELECT * FROM t2 WHERE c2 IN (NULL,'2069') ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 69 69 1998-12-13 1998-12-13 11:30:45 SELECT * FROM t2 WHERE c2 >= NULL AND c2 < '2069' AND c1 = '2000' ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 >= NULL AND c2 < '2069' AND c1 = '2000' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 IS NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 IS NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t2 WHERE c2 IS NOT NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 90 90 1998-12-11 1998-12-11 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 00 10 1998-12-17 1998-12-17 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 05 00 NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 30 1998-12-16 1998-12-16 11:30:45 20 20 1998-12-16 1998-12-16 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 40 20 1998-12-15 1998-12-15 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 00 00 1998-12-26 1998-12-26 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t2 WHERE c2 IS NOT NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 00 00 2008-01-06 2008-01-07 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3; c1 c2 c3 c4 00 00 1998-12-26 1998-12-26 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 00 00 2008-01-08 2008-01-09 00:00:00 00 10 1998-12-17 1998-12-17 11:30:45 00 20 1998-12-17 1998-12-17 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 01 01 1998-12-31 1998-12-31 11:30:45 05 NULL NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 20 1998-12-16 1998-12-16 11:30:45 20 40 1998-12-10 1998-12-10 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 80 NULL 2008-01-02 2008-01-03 00:00:00 90 90 1998-12-11 1998-12-11 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 SELECT count(*) as total_rows, min(c1) as min_value, max(c1) FROM t3; total_rows min_value max(c1) 21 0 55 SELECT * FROM t3 WHERE c3 = '1998-12-11'; c1 c2 c3 c4 90 90 1998-12-11 1998-12-11 11:30:45 SELECT c1,c2 FROM t3; c1 c2 00 00 00 00 00 00 00 10 00 20 01 01 01 01 05 NULL 09 09 20 20 20 40 40 40 55 55 60 60 69 69 70 70 80 NULL 90 90 99 98 99 99 99 99 SELECT c1,c2 FROM t3 ORDER BY c1,c2 DESC; c1 c2 00 00 01 01 70 70 80 NULL 90 90 99 99 99 98 00 20 00 10 00 00 01 01 05 NULL 09 09 20 40 20 20 40 40 60 60 69 69 99 99 00 00 55 55 SELECT * FROM t3 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c1 = '1970' ORDER BY c1,c2; c1 c2 c3 c4 70 70 1998-12-12 1998-12-12 11:30:45 SELECT * FROM t3 WHERE c1 = '1970' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 70 70 1998-12-12 1998-12-12 11:30:45 SELECT * FROM t3 WHERE c1 = '1970' ORDER BY c1,c2 DESC; c1 c2 c3 c4 70 70 1998-12-12 1998-12-12 11:30:45 SELECT * FROM t3 WHERE c1 = '1970' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 70 70 1998-12-12 1998-12-12 11:30:45 SELECT * FROM t3 WHERE c1 <> '1970' ORDER BY c1,c2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 80 NULL 2008-01-02 2008-01-03 00:00:00 90 90 1998-12-11 1998-12-11 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 00 10 1998-12-17 1998-12-17 11:30:45 00 20 1998-12-17 1998-12-17 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 05 NULL NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 20 1998-12-16 1998-12-16 11:30:45 20 40 1998-12-10 1998-12-10 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 00 00 1998-12-26 1998-12-26 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c1 <> '1970' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c1 > '1970' ORDER BY c1,c2; c1 c2 c3 c4 80 NULL 2008-01-02 2008-01-03 00:00:00 90 90 1998-12-11 1998-12-11 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 SELECT * FROM t3 WHERE c1 > '1970' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 80 NULL 2008-01-02 2008-01-03 00:00:00 90 90 1998-12-11 1998-12-11 11:30:45 SELECT * FROM t3 WHERE c1 >= '1970' ORDER BY c1,c2; c1 c2 c3 c4 70 70 1998-12-12 1998-12-12 11:30:45 80 NULL 2008-01-02 2008-01-03 00:00:00 90 90 1998-12-11 1998-12-11 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 SELECT * FROM t3 WHERE c1 >= '1970' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 70 70 1998-12-12 1998-12-12 11:30:45 80 NULL 2008-01-02 2008-01-03 00:00:00 SELECT * FROM t3 WHERE c1 < '1970' ORDER BY c1,c2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c1 < '1970' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c1 <= '1970' ORDER BY c1,c2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 SELECT * FROM t3 WHERE c1 <= '1970' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c1 <=> '1970' ORDER BY c1,c2; c1 c2 c3 c4 70 70 1998-12-12 1998-12-12 11:30:45 SELECT * FROM t3 WHERE c1 <=> '1970' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 70 70 1998-12-12 1998-12-12 11:30:45 SELECT * FROM t3 WHERE c1 BETWEEN '1970' AND '2020' ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c1 BETWEEN '1970' AND '2020' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c1 IN ('1970','2020') ORDER BY c1,c2; c1 c2 c3 c4 70 70 1998-12-12 1998-12-12 11:30:45 20 20 1998-12-16 1998-12-16 11:30:45 20 40 1998-12-10 1998-12-10 11:30:45 SELECT * FROM t3 WHERE c1 IN ('1970','2020') ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 70 70 1998-12-12 1998-12-12 11:30:45 20 20 1998-12-16 1998-12-16 11:30:45 SELECT * FROM t3 WHERE c1 >= '1970' AND c1 < '2020' AND c2 = '2009' ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c1 >= '1970' AND c1 < '2020' AND c2 = '2009' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c1 IS NULL ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c1 IS NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c1 IS NOT NULL ORDER BY c1,c2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 80 NULL 2008-01-02 2008-01-03 00:00:00 90 90 1998-12-11 1998-12-11 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 00 10 1998-12-17 1998-12-17 11:30:45 00 20 1998-12-17 1998-12-17 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 05 NULL NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 20 1998-12-16 1998-12-16 11:30:45 20 40 1998-12-10 1998-12-10 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 00 00 1998-12-26 1998-12-26 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c1 IS NOT NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c1 <> '1970' ORDER BY c1,c2 DESC; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 80 NULL 2008-01-02 2008-01-03 00:00:00 90 90 1998-12-11 1998-12-11 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 00 20 1998-12-17 1998-12-17 11:30:45 00 10 1998-12-17 1998-12-17 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 05 NULL NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 40 1998-12-10 1998-12-10 11:30:45 20 20 1998-12-16 1998-12-16 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 00 00 1998-12-26 1998-12-26 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c1 <> '1970' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c1 > '1970' ORDER BY c1,c2 DESC; c1 c2 c3 c4 80 NULL 2008-01-02 2008-01-03 00:00:00 90 90 1998-12-11 1998-12-11 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 SELECT * FROM t3 WHERE c1 > '1970' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 80 NULL 2008-01-02 2008-01-03 00:00:00 90 90 1998-12-11 1998-12-11 11:30:45 SELECT * FROM t3 WHERE c1 >= '1970' ORDER BY c1,c2 DESC; c1 c2 c3 c4 70 70 1998-12-12 1998-12-12 11:30:45 80 NULL 2008-01-02 2008-01-03 00:00:00 90 90 1998-12-11 1998-12-11 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 SELECT * FROM t3 WHERE c1 >= '1970' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 70 70 1998-12-12 1998-12-12 11:30:45 80 NULL 2008-01-02 2008-01-03 00:00:00 SELECT * FROM t3 WHERE c1 < '1970' ORDER BY c1,c2 DESC; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c1 < '1970' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c1 <= '1970' ORDER BY c1,c2 DESC; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 SELECT * FROM t3 WHERE c1 <= '1970' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c1 <=> '1970' ORDER BY c1,c2 DESC; c1 c2 c3 c4 70 70 1998-12-12 1998-12-12 11:30:45 SELECT * FROM t3 WHERE c1 <=> '1970' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 70 70 1998-12-12 1998-12-12 11:30:45 SELECT * FROM t3 WHERE c1 BETWEEN '1970' AND '2020' ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t3 WHERE c1 BETWEEN '1970' AND '2020' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c1 IN ('1970','2020') ORDER BY c1,c2 DESC; c1 c2 c3 c4 70 70 1998-12-12 1998-12-12 11:30:45 20 40 1998-12-10 1998-12-10 11:30:45 20 20 1998-12-16 1998-12-16 11:30:45 SELECT * FROM t3 WHERE c1 IN ('1970','2020') ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 70 70 1998-12-12 1998-12-12 11:30:45 20 40 1998-12-10 1998-12-10 11:30:45 SELECT * FROM t3 WHERE c1 >= '1970' AND c1 < '2020' AND c2 = '2009' ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t3 WHERE c1 >= '1970' AND c1 < '2020' AND c2 = '2009' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c1 IS NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t3 WHERE c1 IS NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c1 IS NOT NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 80 NULL 2008-01-02 2008-01-03 00:00:00 90 90 1998-12-11 1998-12-11 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 00 20 1998-12-17 1998-12-17 11:30:45 00 10 1998-12-17 1998-12-17 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 05 NULL NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 40 1998-12-10 1998-12-10 11:30:45 20 20 1998-12-16 1998-12-16 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 00 00 1998-12-26 1998-12-26 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c1 IS NOT NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3; c1 c2 c3 c4 00 00 1998-12-26 1998-12-26 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 00 00 2008-01-08 2008-01-09 00:00:00 00 10 1998-12-17 1998-12-17 11:30:45 00 20 1998-12-17 1998-12-17 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 01 01 1998-12-31 1998-12-31 11:30:45 05 NULL NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 20 1998-12-16 1998-12-16 11:30:45 20 40 1998-12-10 1998-12-10 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 80 NULL 2008-01-02 2008-01-03 00:00:00 90 90 1998-12-11 1998-12-11 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 SELECT count(*) as total_rows, min(c1) as min_value, max(c1) FROM t3; total_rows min_value max(c1) 21 0 55 SELECT * FROM t3 WHERE c3 = '1998-12-11'; c1 c2 c3 c4 90 90 1998-12-11 1998-12-11 11:30:45 SELECT c1,c2 FROM t3; c1 c2 00 00 00 00 00 00 00 10 00 20 01 01 01 01 05 NULL 09 09 20 20 20 40 40 40 55 55 60 60 69 69 70 70 80 NULL 90 90 99 98 99 99 99 99 SELECT c1,c2 FROM t3 ORDER BY c1,c2 DESC; c1 c2 00 00 01 01 70 70 80 NULL 90 90 99 99 99 98 00 20 00 10 00 00 01 01 05 NULL 09 09 20 40 20 20 40 40 60 60 69 69 99 99 00 00 55 55 SELECT * FROM t3 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c1 = '69' ORDER BY c1,c2; c1 c2 c3 c4 69 69 1998-12-13 1998-12-13 11:30:45 SELECT * FROM t3 WHERE c1 = '69' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 69 69 1998-12-13 1998-12-13 11:30:45 SELECT * FROM t3 WHERE c1 = '69' ORDER BY c1,c2 DESC; c1 c2 c3 c4 69 69 1998-12-13 1998-12-13 11:30:45 SELECT * FROM t3 WHERE c1 = '69' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 69 69 1998-12-13 1998-12-13 11:30:45 SELECT * FROM t3 WHERE c1 <> '69' ORDER BY c1,c2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 80 NULL 2008-01-02 2008-01-03 00:00:00 90 90 1998-12-11 1998-12-11 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 00 10 1998-12-17 1998-12-17 11:30:45 00 20 1998-12-17 1998-12-17 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 05 NULL NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 20 1998-12-16 1998-12-16 11:30:45 20 40 1998-12-10 1998-12-10 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 00 00 1998-12-26 1998-12-26 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c1 <> '69' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c1 > '69' ORDER BY c1,c2; c1 c2 c3 c4 99 99 1998-12-27 1998-12-27 11:30:45 SELECT * FROM t3 WHERE c1 > '69' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 99 99 1998-12-27 1998-12-27 11:30:45 SELECT * FROM t3 WHERE c1 >= '69' ORDER BY c1,c2; c1 c2 c3 c4 69 69 1998-12-13 1998-12-13 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 SELECT * FROM t3 WHERE c1 >= '69' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 69 69 1998-12-13 1998-12-13 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 SELECT * FROM t3 WHERE c1 < '69' ORDER BY c1,c2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 00 10 1998-12-17 1998-12-17 11:30:45 00 20 1998-12-17 1998-12-17 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 05 NULL NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 20 1998-12-16 1998-12-16 11:30:45 20 40 1998-12-10 1998-12-10 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 00 00 1998-12-26 1998-12-26 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c1 < '69' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c1 <= '69' ORDER BY c1,c2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 00 10 1998-12-17 1998-12-17 11:30:45 00 20 1998-12-17 1998-12-17 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 05 NULL NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 20 1998-12-16 1998-12-16 11:30:45 20 40 1998-12-10 1998-12-10 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 00 00 1998-12-26 1998-12-26 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c1 <= '69' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c1 <=> '69' ORDER BY c1,c2; c1 c2 c3 c4 69 69 1998-12-13 1998-12-13 11:30:45 SELECT * FROM t3 WHERE c1 <=> '69' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 69 69 1998-12-13 1998-12-13 11:30:45 SELECT * FROM t3 WHERE c1 BETWEEN 69 AND '2020' ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c1 BETWEEN 69 AND '2020' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c1 IN (69,'2020') ORDER BY c1,c2; c1 c2 c3 c4 69 69 1998-12-13 1998-12-13 11:30:45 SELECT * FROM t3 WHERE c1 IN (69,'2020') ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 69 69 1998-12-13 1998-12-13 11:30:45 SELECT * FROM t3 WHERE c1 >= 69 AND c1 < '2020' AND c2 = '2009' ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c1 >= 69 AND c1 < '2020' AND c2 = '2009' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c1 IS NULL ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c1 IS NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c1 IS NOT NULL ORDER BY c1,c2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 80 NULL 2008-01-02 2008-01-03 00:00:00 90 90 1998-12-11 1998-12-11 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 00 10 1998-12-17 1998-12-17 11:30:45 00 20 1998-12-17 1998-12-17 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 05 NULL NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 20 1998-12-16 1998-12-16 11:30:45 20 40 1998-12-10 1998-12-10 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 00 00 1998-12-26 1998-12-26 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c1 IS NOT NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c1 <> '69' ORDER BY c1,c2 DESC; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 80 NULL 2008-01-02 2008-01-03 00:00:00 90 90 1998-12-11 1998-12-11 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 00 20 1998-12-17 1998-12-17 11:30:45 00 10 1998-12-17 1998-12-17 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 05 NULL NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 40 1998-12-10 1998-12-10 11:30:45 20 20 1998-12-16 1998-12-16 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 00 00 1998-12-26 1998-12-26 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c1 <> '69' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c1 > '69' ORDER BY c1,c2 DESC; c1 c2 c3 c4 99 99 1998-12-27 1998-12-27 11:30:45 SELECT * FROM t3 WHERE c1 > '69' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 99 99 1998-12-27 1998-12-27 11:30:45 SELECT * FROM t3 WHERE c1 >= '69' ORDER BY c1,c2 DESC; c1 c2 c3 c4 69 69 1998-12-13 1998-12-13 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 SELECT * FROM t3 WHERE c1 >= '69' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 69 69 1998-12-13 1998-12-13 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 SELECT * FROM t3 WHERE c1 < '69' ORDER BY c1,c2 DESC; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 00 20 1998-12-17 1998-12-17 11:30:45 00 10 1998-12-17 1998-12-17 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 05 NULL NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 40 1998-12-10 1998-12-10 11:30:45 20 20 1998-12-16 1998-12-16 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 00 00 1998-12-26 1998-12-26 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c1 < '69' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c1 <= '69' ORDER BY c1,c2 DESC; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 00 20 1998-12-17 1998-12-17 11:30:45 00 10 1998-12-17 1998-12-17 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 05 NULL NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 40 1998-12-10 1998-12-10 11:30:45 20 20 1998-12-16 1998-12-16 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 00 00 1998-12-26 1998-12-26 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c1 <= '69' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c1 <=> '69' ORDER BY c1,c2 DESC; c1 c2 c3 c4 69 69 1998-12-13 1998-12-13 11:30:45 SELECT * FROM t3 WHERE c1 <=> '69' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 69 69 1998-12-13 1998-12-13 11:30:45 SELECT * FROM t3 WHERE c1 BETWEEN 69 AND '2020' ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t3 WHERE c1 BETWEEN 69 AND '2020' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c1 IN (69,'2020') ORDER BY c1,c2 DESC; c1 c2 c3 c4 69 69 1998-12-13 1998-12-13 11:30:45 SELECT * FROM t3 WHERE c1 IN (69,'2020') ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 69 69 1998-12-13 1998-12-13 11:30:45 SELECT * FROM t3 WHERE c1 >= 69 AND c1 < '2020' AND c2 = '2009' ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t3 WHERE c1 >= 69 AND c1 < '2020' AND c2 = '2009' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c1 IS NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t3 WHERE c1 IS NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c1 IS NOT NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 80 NULL 2008-01-02 2008-01-03 00:00:00 90 90 1998-12-11 1998-12-11 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 00 20 1998-12-17 1998-12-17 11:30:45 00 10 1998-12-17 1998-12-17 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 05 NULL NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 40 1998-12-10 1998-12-10 11:30:45 20 20 1998-12-16 1998-12-16 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 00 00 1998-12-26 1998-12-26 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c1 IS NOT NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3; c1 c2 c3 c4 00 00 1998-12-26 1998-12-26 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 00 00 2008-01-08 2008-01-09 00:00:00 00 10 1998-12-17 1998-12-17 11:30:45 00 20 1998-12-17 1998-12-17 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 01 01 1998-12-31 1998-12-31 11:30:45 05 NULL NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 20 1998-12-16 1998-12-16 11:30:45 20 40 1998-12-10 1998-12-10 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 80 NULL 2008-01-02 2008-01-03 00:00:00 90 90 1998-12-11 1998-12-11 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 SELECT count(*) as total_rows, min(c2) as min_value, max(c2) FROM t3; total_rows min_value max(c2) 21 70 69 SELECT * FROM t3 WHERE c3 = '1998-12-11'; c1 c2 c3 c4 90 90 1998-12-11 1998-12-11 11:30:45 SELECT c1,c2 FROM t3; c1 c2 00 00 00 00 00 00 00 10 00 20 01 01 01 01 05 NULL 09 09 20 20 20 40 40 40 55 55 60 60 69 69 70 70 80 NULL 90 90 99 98 99 99 99 99 SELECT c1,c2 FROM t3 ORDER BY c1,c2 DESC; c1 c2 00 00 01 01 70 70 80 NULL 90 90 99 99 99 98 00 20 00 10 00 00 01 01 05 NULL 09 09 20 40 20 20 40 40 60 60 69 69 99 99 00 00 55 55 SELECT * FROM t3 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c2 = 2000 ORDER BY c1,c2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 00 00 1998-12-29 1998-12-29 11:30:45 00 00 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c2 = 2000 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 00 00 1998-12-29 1998-12-29 11:30:45 SELECT * FROM t3 WHERE c2 = 2000 ORDER BY c1,c2 DESC; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 00 00 1998-12-29 1998-12-29 11:30:45 00 00 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c2 = 2000 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 00 00 1998-12-29 1998-12-29 11:30:45 SELECT * FROM t3 WHERE c2 <> 2000 ORDER BY c1,c2; c1 c2 c3 c4 01 01 1998-12-31 1998-12-31 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 90 90 1998-12-11 1998-12-11 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 00 10 1998-12-17 1998-12-17 11:30:45 00 20 1998-12-17 1998-12-17 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 09 09 2009-01-29 2009-01-29 00:00:00 20 20 1998-12-16 1998-12-16 11:30:45 20 40 1998-12-10 1998-12-10 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c2 <> 2000 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 01 01 1998-12-31 1998-12-31 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 SELECT * FROM t3 WHERE c2 > 2000 ORDER BY c1,c2; c1 c2 c3 c4 01 01 1998-12-31 1998-12-31 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 90 90 1998-12-11 1998-12-11 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 00 10 1998-12-17 1998-12-17 11:30:45 00 20 1998-12-17 1998-12-17 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 09 09 2009-01-29 2009-01-29 00:00:00 20 20 1998-12-16 1998-12-16 11:30:45 20 40 1998-12-10 1998-12-10 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c2 > 2000 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 01 01 1998-12-31 1998-12-31 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 SELECT * FROM t3 WHERE c2 >= 2000 ORDER BY c1,c2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 90 90 1998-12-11 1998-12-11 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 00 10 1998-12-17 1998-12-17 11:30:45 00 20 1998-12-17 1998-12-17 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 09 09 2009-01-29 2009-01-29 00:00:00 20 20 1998-12-16 1998-12-16 11:30:45 20 40 1998-12-10 1998-12-10 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 00 00 1998-12-26 1998-12-26 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c2 >= 2000 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c2 < 2000 ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 < 2000 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 <= 2000 ORDER BY c1,c2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 00 00 1998-12-29 1998-12-29 11:30:45 00 00 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c2 <= 2000 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 00 00 1998-12-29 1998-12-29 11:30:45 SELECT * FROM t3 WHERE c2 <=> 2000 ORDER BY c1,c2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 00 00 1998-12-29 1998-12-29 11:30:45 00 00 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c2 <=> 2000 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 00 00 1998-12-29 1998-12-29 11:30:45 SELECT * FROM t3 WHERE c2 BETWEEN '2000' AND 2155 ORDER BY c1,c2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 00 10 1998-12-17 1998-12-17 11:30:45 00 20 1998-12-17 1998-12-17 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 09 09 2009-01-29 2009-01-29 00:00:00 20 20 1998-12-16 1998-12-16 11:30:45 20 40 1998-12-10 1998-12-10 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 00 00 1998-12-26 1998-12-26 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c2 BETWEEN '2000' AND 2155 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c2 IN ('2000',2155) ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 IN ('2000',2155) ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 >= '2000' AND c2 < 2155 AND c1 = '1999' ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 >= '2000' AND c2 < 2155 AND c1 = '1999' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 IS NULL ORDER BY c1,c2; c1 c2 c3 c4 80 NULL 2008-01-02 2008-01-03 00:00:00 05 NULL NULL NULL SELECT * FROM t3 WHERE c2 IS NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 80 NULL 2008-01-02 2008-01-03 00:00:00 05 NULL NULL NULL SELECT * FROM t3 WHERE c2 IS NOT NULL ORDER BY c1,c2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 90 90 1998-12-11 1998-12-11 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 00 10 1998-12-17 1998-12-17 11:30:45 00 20 1998-12-17 1998-12-17 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 09 09 2009-01-29 2009-01-29 00:00:00 20 20 1998-12-16 1998-12-16 11:30:45 20 40 1998-12-10 1998-12-10 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 00 00 1998-12-26 1998-12-26 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c2 IS NOT NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c2 <> 2000 ORDER BY c1,c2 DESC; c1 c2 c3 c4 01 01 1998-12-31 1998-12-31 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 90 90 1998-12-11 1998-12-11 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 00 20 1998-12-17 1998-12-17 11:30:45 00 10 1998-12-17 1998-12-17 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 09 09 2009-01-29 2009-01-29 00:00:00 20 40 1998-12-10 1998-12-10 11:30:45 20 20 1998-12-16 1998-12-16 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c2 <> 2000 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 01 01 1998-12-31 1998-12-31 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 SELECT * FROM t3 WHERE c2 > 2000 ORDER BY c1,c2 DESC; c1 c2 c3 c4 01 01 1998-12-31 1998-12-31 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 90 90 1998-12-11 1998-12-11 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 00 20 1998-12-17 1998-12-17 11:30:45 00 10 1998-12-17 1998-12-17 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 09 09 2009-01-29 2009-01-29 00:00:00 20 40 1998-12-10 1998-12-10 11:30:45 20 20 1998-12-16 1998-12-16 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c2 > 2000 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 01 01 1998-12-31 1998-12-31 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 SELECT * FROM t3 WHERE c2 >= 2000 ORDER BY c1,c2 DESC; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 90 90 1998-12-11 1998-12-11 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 00 20 1998-12-17 1998-12-17 11:30:45 00 10 1998-12-17 1998-12-17 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 09 09 2009-01-29 2009-01-29 00:00:00 20 40 1998-12-10 1998-12-10 11:30:45 20 20 1998-12-16 1998-12-16 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 00 00 1998-12-26 1998-12-26 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c2 >= 2000 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c2 < 2000 ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 < 2000 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 <= 2000 ORDER BY c1,c2 DESC; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 00 00 1998-12-29 1998-12-29 11:30:45 00 00 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c2 <= 2000 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 00 00 1998-12-29 1998-12-29 11:30:45 SELECT * FROM t3 WHERE c2 <=> 2000 ORDER BY c1,c2 DESC; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 00 00 1998-12-29 1998-12-29 11:30:45 00 00 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c2 <=> 2000 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 00 00 1998-12-29 1998-12-29 11:30:45 SELECT * FROM t3 WHERE c2 BETWEEN '2000' AND 2155 ORDER BY c1,c2 DESC; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 00 20 1998-12-17 1998-12-17 11:30:45 00 10 1998-12-17 1998-12-17 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 09 09 2009-01-29 2009-01-29 00:00:00 20 40 1998-12-10 1998-12-10 11:30:45 20 20 1998-12-16 1998-12-16 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 00 00 1998-12-26 1998-12-26 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c2 BETWEEN '2000' AND 2155 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c2 IN ('2000',2155) ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 IN ('2000',2155) ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 >= '2000' AND c2 < 2155 AND c1 = '1999' ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 >= '2000' AND c2 < 2155 AND c1 = '1999' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 IS NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 80 NULL 2008-01-02 2008-01-03 00:00:00 05 NULL NULL NULL SELECT * FROM t3 WHERE c2 IS NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 80 NULL 2008-01-02 2008-01-03 00:00:00 05 NULL NULL NULL SELECT * FROM t3 WHERE c2 IS NOT NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 90 90 1998-12-11 1998-12-11 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 00 20 1998-12-17 1998-12-17 11:30:45 00 10 1998-12-17 1998-12-17 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 09 09 2009-01-29 2009-01-29 00:00:00 20 40 1998-12-10 1998-12-10 11:30:45 20 20 1998-12-16 1998-12-16 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 00 00 1998-12-26 1998-12-26 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c2 IS NOT NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3; c1 c2 c3 c4 00 00 1998-12-26 1998-12-26 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 00 00 2008-01-08 2008-01-09 00:00:00 00 10 1998-12-17 1998-12-17 11:30:45 00 20 1998-12-17 1998-12-17 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 01 01 1998-12-31 1998-12-31 11:30:45 05 NULL NULL NULL 09 09 2009-01-29 2009-01-29 00:00:00 20 20 1998-12-16 1998-12-16 11:30:45 20 40 1998-12-10 1998-12-10 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 80 NULL 2008-01-02 2008-01-03 00:00:00 90 90 1998-12-11 1998-12-11 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 SELECT count(*) as total_rows, min(c2) as min_value, max(c2) FROM t3; total_rows min_value max(c2) 21 70 69 SELECT * FROM t3 WHERE c3 = '1998-12-11'; c1 c2 c3 c4 90 90 1998-12-11 1998-12-11 11:30:45 SELECT c1,c2 FROM t3; c1 c2 00 00 00 00 00 00 00 10 00 20 01 01 01 01 05 NULL 09 09 20 20 20 40 40 40 55 55 60 60 69 69 70 70 80 NULL 90 90 99 98 99 99 99 99 SELECT c1,c2 FROM t3 ORDER BY c1,c2 DESC; c1 c2 00 00 01 01 70 70 80 NULL 90 90 99 99 99 98 00 20 00 10 00 00 01 01 05 NULL 09 09 20 40 20 20 40 40 60 60 69 69 99 99 00 00 55 55 SELECT * FROM t3 ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c2 = NULL ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 = NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 = NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 = NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 <> NULL ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 <> NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 > NULL ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 > NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 >= NULL ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 >= NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 < NULL ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 < NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 <= NULL ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 <= NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 <=> NULL ORDER BY c1,c2; c1 c2 c3 c4 80 NULL 2008-01-02 2008-01-03 00:00:00 05 NULL NULL NULL SELECT * FROM t3 WHERE c2 <=> NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 80 NULL 2008-01-02 2008-01-03 00:00:00 05 NULL NULL NULL SELECT * FROM t3 WHERE c2 BETWEEN NULL AND '2069' ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 BETWEEN NULL AND '2069' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 IN (NULL,'2069') ORDER BY c1,c2; c1 c2 c3 c4 69 69 1998-12-13 1998-12-13 11:30:45 SELECT * FROM t3 WHERE c2 IN (NULL,'2069') ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 69 69 1998-12-13 1998-12-13 11:30:45 SELECT * FROM t3 WHERE c2 >= NULL AND c2 < '2069' AND c1 = '2000' ORDER BY c1,c2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 >= NULL AND c2 < '2069' AND c1 = '2000' ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 IS NULL ORDER BY c1,c2; c1 c2 c3 c4 80 NULL 2008-01-02 2008-01-03 00:00:00 05 NULL NULL NULL SELECT * FROM t3 WHERE c2 IS NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 80 NULL 2008-01-02 2008-01-03 00:00:00 05 NULL NULL NULL SELECT * FROM t3 WHERE c2 IS NOT NULL ORDER BY c1,c2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 90 90 1998-12-11 1998-12-11 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 00 10 1998-12-17 1998-12-17 11:30:45 00 20 1998-12-17 1998-12-17 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 09 09 2009-01-29 2009-01-29 00:00:00 20 20 1998-12-16 1998-12-16 11:30:45 20 40 1998-12-10 1998-12-10 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 00 00 1998-12-26 1998-12-26 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c2 IS NOT NULL ORDER BY c1,c2 LIMIT 2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT * FROM t3 WHERE c2 <> NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 <> NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 > NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 > NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 >= NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 >= NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 < NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 < NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 <= NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 <= NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 <=> NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 80 NULL 2008-01-02 2008-01-03 00:00:00 05 NULL NULL NULL SELECT * FROM t3 WHERE c2 <=> NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 80 NULL 2008-01-02 2008-01-03 00:00:00 05 NULL NULL NULL SELECT * FROM t3 WHERE c2 BETWEEN NULL AND '2069' ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 BETWEEN NULL AND '2069' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 IN (NULL,'2069') ORDER BY c1,c2 DESC; c1 c2 c3 c4 69 69 1998-12-13 1998-12-13 11:30:45 SELECT * FROM t3 WHERE c2 IN (NULL,'2069') ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 69 69 1998-12-13 1998-12-13 11:30:45 SELECT * FROM t3 WHERE c2 >= NULL AND c2 < '2069' AND c1 = '2000' ORDER BY c1,c2 DESC; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 >= NULL AND c2 < '2069' AND c1 = '2000' ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 SELECT * FROM t3 WHERE c2 IS NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 80 NULL 2008-01-02 2008-01-03 00:00:00 05 NULL NULL NULL SELECT * FROM t3 WHERE c2 IS NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 80 NULL 2008-01-02 2008-01-03 00:00:00 05 NULL NULL NULL SELECT * FROM t3 WHERE c2 IS NOT NULL ORDER BY c1,c2 DESC; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 70 70 1998-12-12 1998-12-12 11:30:45 90 90 1998-12-11 1998-12-11 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 99 98 1998-12-10 1998-12-10 11:30:45 00 20 1998-12-17 1998-12-17 11:30:45 00 10 1998-12-17 1998-12-17 11:30:45 00 00 1998-12-29 1998-12-29 11:30:45 01 01 1998-12-28 1998-12-28 11:30:45 09 09 2009-01-29 2009-01-29 00:00:00 20 40 1998-12-10 1998-12-10 11:30:45 20 20 1998-12-16 1998-12-16 11:30:45 40 40 1998-12-15 1998-12-15 11:30:45 60 60 1998-12-14 1998-12-14 11:30:45 69 69 1998-12-13 1998-12-13 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 00 00 1998-12-26 1998-12-26 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 SELECT * FROM t3 WHERE c2 IS NOT NULL ORDER BY c1,c2 DESC LIMIT 2; c1 c2 c3 c4 00 00 2008-01-08 2008-01-09 00:00:00 01 01 1998-12-31 1998-12-31 11:30:45 SELECT c1 FROM t3 GROUP BY c1; c1 00 00 00 01 01 05 09 20 40 55 60 69 70 80 90 99 99 SELECT DISTINCT c1 FROM t3; c1 00 00 00 01 01 05 09 20 40 55 60 69 70 80 90 99 99 SELECT c1,MIN(c2) FROM t3 GROUP BY c1; c1 MIN(c2) 00 0 00 0 00 0 01 1 01 1 05 NULL 09 9 20 20 40 40 55 55 60 60 69 69 70 70 80 NULL 90 90 99 98 99 99 SELECT * FROM t1 WHERE c1='1901' OR c2='2155'; c1 c2 c3 c4 01 01 1998-12-31 1998-12-31 11:30:45 55 55 1998-12-26 1998-12-26 11:30:45 INSERT INTO t1(c1,c2) VALUES(01,'99'); ERROR 23000: Duplicate entry '01' for key 'PRIMARY' INSERT INTO t2(c1,c2) VALUES(99,99); ERROR 23000: Duplicate entry '99-99' for key 'PRIMARY' INSERT INTO t1(c1,c2) VALUES('2098',69); ERROR 23000: Duplicate entry '69' for key 'c2' INSERT INTO t3(c1,c2) VALUES(00,00); ERROR 23000: Duplicate entry '00-00' for key 'idx' INSERT IGNORE INTO t1(c1,c2) VALUES(01,'99'); Warnings: Warning 1062 Duplicate entry '01' for key 'PRIMARY' INSERT IGNORE INTO t2(c1,c2) VALUES('1999','1999'); Warnings: Warning 1062 Duplicate entry '99-99' for key 'PRIMARY' INSERT IGNORE INTO t1(c1,c2) VALUES('2098','69'); Warnings: Warning 1062 Duplicate entry '69' for key 'c2' INSERT IGNORE INTO t3(c1,c2) VALUES(00,00); Warnings: Warning 1062 Duplicate entry '00-00' for key 'idx' SELECT * FROM t1 WHERE c1='01' /* Returns 1 row */; c1 c2 c3 c4 01 01 1998-12-28 1998-12-28 11:30:45 SELECT * FROM t2 WHERE c1='1999' AND c2='1999' /* Returns 1 row */; c1 c2 c3 c4 99 99 1998-12-30 1998-12-30 11:30:45 SELECT * FROM t1 WHERE c2='69' /* Returns 1 row */; c1 c2 c3 c4 69 69 1998-12-13 1998-12-13 11:30:45 SELECT * FROM t3 WHERE c1=0 AND c2=0 /* Returns 1 row */; c1 c2 c3 c4 00 00 1998-12-29 1998-12-29 11:30:45 SELECT * FROM t1 WHERE c1='02' /* Returns no rows */; c1 c2 c3 c4 INSERT INTO t1(c1) VALUES('00') ON DUPLICATE KEY UPDATE c1='02'; SELECT * FROM t1 WHERE c1='2002' /* Returns 1 row */; c1 c2 c3 c4 02 00 1998-12-29 1998-12-29 11:30:45 SELECT * FROM t2 WHERE c1=69 AND c2=70 /* Returns no rows */; c1 c2 c3 c4 INSERT INTO t2 VALUES(99,99,'98-12-20','98.12.20 11:30:45') ON DUPLICATE KEY UPDATE c1=69,c2=70; SELECT * FROM t2 WHERE c1=2069 AND c2=1970 /* Returns 1 row */; c1 c2 c3 c4 69 70 1998-12-30 1998-12-30 11:30:45 SELECT * FROM t1 WHERE c1=54 AND c2=53 /* Returns no rows */; c1 c2 c3 c4 INSERT INTO t1 VALUES(69,69,'98-12-18','98.12.18 11:30:45') ON DUPLICATE KEY UPDATE c1=54,c2=53; SELECT * FROM t1 WHERE c1=54 AND c2=53 /* Returns 1 row */; c1 c2 c3 c4 54 53 1998-12-13 1998-12-13 11:30:45 SELECT * FROM t3 WHERE c1=6 AND c2=1970 /* Returns no rows */; c1 c2 c3 c4 INSERT INTO t3(c1,c2) VALUES('69','69') ON DUPLICATE KEY UPDATE c1=06,c2=70; SELECT * FROM t3 WHERE c1=2006 AND c2=1970 /* Returns 1 row */; c1 c2 c3 c4 06 70 1998-12-13 1998-12-13 11:30:45 CREATE TABLE t5(c1 YEAR NOT NULL, c2 YEAR NULL, c3 DATE, c4 DATETIME, INDEX idx(c1,c2)); INSERT INTO t5 SELECT * FROM t1; SELECT * FROM t5; c1 c2 c3 c4 0000 0000 2008-01-04 2008-01-05 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 1970 1970 1998-12-12 1998-12-12 11:30:45 1980 NULL 2008-01-02 2008-01-03 00:00:00 1990 1990 1998-12-11 1998-12-11 11:30:45 1992 NULL NULL NULL 1999 1999 1998-12-30 1998-12-30 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2002 2000 1998-12-29 1998-12-29 11:30:45 2005 NULL NULL NULL 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2020 1998-12-16 1998-12-16 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2054 2053 1998-12-13 1998-12-13 11:30:45 2060 2060 1998-12-14 1998-12-14 11:30:45 2099 2099 1998-12-27 1998-12-27 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 TRUNCATE TABLE t5; INSERT INTO t5 SELECT * FROM t2 WHERE c1 >=1970 AND c1 < 1999 AND c2 <> '1990'; SELECT * FROM t5; c1 c2 c3 c4 1970 1970 1998-12-12 1998-12-12 11:30:45 TRUNCATE TABLE t5; INSERT INTO t5 SELECT * FROM t3 WHERE c2 BETWEEN '2000' AND '2155'; SELECT * FROM t5; c1 c2 c3 c4 0000 0000 2008-01-08 2008-01-09 00:00:00 1901 1901 1998-12-31 1998-12-31 11:30:45 2000 2000 1998-12-29 1998-12-29 11:30:45 2000 2010 1998-12-17 1998-12-17 11:30:45 2000 2020 1998-12-17 1998-12-17 11:30:45 2001 2001 1998-12-28 1998-12-28 11:30:45 2009 2009 2009-01-29 2009-01-29 00:00:00 2020 2020 1998-12-16 1998-12-16 11:30:45 2020 2040 1998-12-10 1998-12-10 11:30:45 2040 2040 1998-12-15 1998-12-15 11:30:45 2100 2100 1998-12-26 1998-12-26 11:30:45 2155 2155 1998-12-26 1998-12-26 11:30:45 TRUNCATE TABLE t5; DROP TABLE t5; INSERT INTO t1 SET c1='00'; INSERT IGNORE INTO t2 SET c1=69; Warnings: Warning 1364 Field 'c2' doesn't have a default value INSERT INTO t3 SET c1=70; INSERT IGNORE INTO t4 SET c2=99; Warnings: Warning 1364 Field 'c1' doesn't have a default value SELECT * FROM t1 WHERE c1=0; c1 c2 c3 c4 00 NULL NULL NULL SELECT * FROM t2 WHERE c1=69; c1 c2 c3 c4 69 00 NULL NULL 69 69 1998-12-13 1998-12-13 11:30:45 69 70 1998-12-30 1998-12-30 11:30:45 SELECT * FROM t3 WHERE c1=70; c1 c2 c3 c4 70 70 1998-12-12 1998-12-12 11:30:45 70 NULL NULL NULL SELECT * FROM t4 WHERE c2=99; c1 c2 c3 c4 00 99 NULL NULL 99 99 1998-12-02 1998-12-02 11:30:45 99 99 1998-12-10 1998-12-10 11:30:45 99 99 1998-12-20 1998-12-20 11:30:45 99 99 1998-12-23 1998-12-23 11:30:45 99 99 1998-12-27 1998-12-27 11:30:45 99 99 1998-12-30 1998-12-30 11:30:45 DROP TABLE t1,t2,t3,t4;