DROP TABLE IF EXISTS t1; CREATE TABLE t1 (a ) ENGINE= AUTO_INCREMENT=10; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL ) ENGINE= AUTO_INCREMENT=10 DEFAULT CHARSET=latin1 ALTER TABLE t1 AUTO_INCREMENT=100; SHOW CREATE TABLE t1; Table Create Table t1 CREATE TABLE `t1` ( `a` int(11) DEFAULT NULL ) ENGINE= AUTO_INCREMENT=100 DEFAULT CHARSET=latin1 DROP TABLE t1;