auto_increment
mysql> create table t20( id int primary key auto_increment, name char(16) )auto_increment=8; Query OK, 0 rows affected (0.01 sec)
mysql> show create table t20\G; *************************** 1. row *************************** Table: t20 Create Table: CREATE TABLE `t20` ( `id` int(11) NOT NULL AUTO_INCREMENT, `name` char(16) DEFAULT NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB AUTO_INCREMENT=8 DEFAULT CHARSET=utf8 1 row in set (0.00 sec)