CREATE TABLE t2(c1 YEAR(2) NOT NULL, c2 YEAR(2) NULL, c3 DATE, c4 DATETIME, PRIMARY KEY(c1,c2)); 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 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'); SET TIMESTAMP=1233216687; INSERT INTO t2 VALUES(NOW(),CURRENT_DATE,NOW(),CURRENT_DATE); INSERT INTO t2(c1) VALUES('5'); INSERT INTO t2 VALUES(1900,2156,'08-01-06','08/01/07'); 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'); --sorted_result SELECT * FROM t2; SELECT count(*) as total_rows, min(c1) as min_value, max(c1) FROM t2; DROP TABLE t2;