1--disable_warnings 2DROP TABLE IF EXISTS t1; 3--enable_warnings 4CREATE TABLE t1(c1 VARCHAR(10), c2 VARCHAR(10), c3 TINYINT); 5INSERT INTO t1 VALUES ('a','b',0), ('a','b',1), ('a','b',2), ('a','b',3), ('a','b',4), ('a','b',5), ('a','b',6), ('a','b',7), ('a','b',8), ('a','b',9); 6SELECT c1,c2,c3 FROM t1 ORDER BY c3 DESC LIMIT 1; 7SELECT c1,MAX(c3) FROM t1 GROUP BY c1; 8SELECT c1,c2,c3 FROM t1 WHERE c3=(SELECT MAX(c3) FROM t1); 9SELECT c1,c2,c3 FROM t1 WHERE c3=(SELECT MAX(t11.c3) FROM t1 AS t11 WHERE t1.c1 = t11.c1); 10DROP TABLE t1; 11CREATE TABLE t1(c1 VARCHAR(10), c2 VARCHAR(10), c3 SMALLINT); 12INSERT INTO t1 VALUES ('a','b',0), ('a','b',1), ('a','b',2), ('a','b',3), ('a','b',4), ('a','b',5), ('a','b',6), ('a','b',7), ('a','b',8), ('a','b',9); 13SELECT c1,c2,c3 FROM t1 ORDER BY c3 DESC LIMIT 1; 14SELECT c1,MAX(c3) FROM t1 GROUP BY c1; 15SELECT c1,c2,c3 FROM t1 WHERE c3=(SELECT MAX(c3) FROM t1); 16SELECT c1,c2,c3 FROM t1 WHERE c3=(SELECT MAX(t11.c3) FROM t1 AS t11 WHERE t1.c1 = t11.c1); 17DROP TABLE t1; 18CREATE TABLE t1(c1 VARCHAR(10), c2 VARCHAR(10), c3 MEDIUMINT); 19INSERT INTO t1 VALUES ('a','b',0), ('a','b',1), ('a','b',2), ('a','b',3), ('a','b',4), ('a','b',5), ('a','b',6), ('a','b',7), ('a','b',8), ('a','b',9); 20SELECT c1,c2,c3 FROM t1 ORDER BY c3 DESC LIMIT 1; 21SELECT c1,MAX(c3) FROM t1 GROUP BY c1; 22SELECT c1,c2,c3 FROM t1 WHERE c3=(SELECT MAX(c3) FROM t1); 23SELECT c1,c2,c3 FROM t1 WHERE c3=(SELECT MAX(t11.c3) FROM t1 AS t11 WHERE t1.c1 = t11.c1); 24DROP TABLE t1; 25CREATE TABLE t1(c1 VARCHAR(10), c2 VARCHAR(10), c3 INT); 26INSERT INTO t1 VALUES ('a','b',0), ('a','b',1), ('a','b',2), ('a','b',3), ('a','b',4), ('a','b',5), ('a','b',6), ('a','b',7), ('a','b',8), ('a','b',9); 27SELECT c1,c2,c3 FROM t1 ORDER BY c3 DESC LIMIT 1; 28SELECT c1,MAX(c3) FROM t1 GROUP BY c1; 29SELECT c1,c2,c3 FROM t1 WHERE c3=(SELECT MAX(c3) FROM t1); 30SELECT c1,c2,c3 FROM t1 WHERE c3=(SELECT MAX(t11.c3) FROM t1 AS t11 WHERE t1.c1 = t11.c1); 31DROP TABLE t1; 32CREATE TABLE t1(c1 VARCHAR(10), c2 VARCHAR(10), c3 INTEGER); 33INSERT INTO t1 VALUES ('a','b',0), ('a','b',1), ('a','b',2), ('a','b',3), ('a','b',4), ('a','b',5), ('a','b',6), ('a','b',7), ('a','b',8), ('a','b',9); 34SELECT c1,c2,c3 FROM t1 ORDER BY c3 DESC LIMIT 1; 35SELECT c1,MAX(c3) FROM t1 GROUP BY c1; 36SELECT c1,c2,c3 FROM t1 WHERE c3=(SELECT MAX(c3) FROM t1); 37SELECT c1,c2,c3 FROM t1 WHERE c3=(SELECT MAX(t11.c3) FROM t1 AS t11 WHERE t1.c1 = t11.c1); 38DROP TABLE t1; 39CREATE TABLE t1(c1 VARCHAR(10), c2 VARCHAR(10), c3 BIGINT); 40INSERT INTO t1 VALUES ('a','b',0), ('a','b',1), ('a','b',2), ('a','b',3), ('a','b',4), ('a','b',5), ('a','b',6), ('a','b',7), ('a','b',8), ('a','b',9); 41SELECT c1,c2,c3 FROM t1 ORDER BY c3 DESC LIMIT 1; 42SELECT c1,MAX(c3) FROM t1 GROUP BY c1; 43SELECT c1,c2,c3 FROM t1 WHERE c3=(SELECT MAX(c3) FROM t1); 44SELECT c1,c2,c3 FROM t1 WHERE c3=(SELECT MAX(t11.c3) FROM t1 AS t11 WHERE t1.c1 = t11.c1); 45DROP TABLE t1; 46 47