slave stop; reset master; reset slave; drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9; slave start; drop table if exists t1; CREATE TABLE t1 (name varchar(64), age smallint(3)); INSERT INTO t1 SET name='Andy', age=31; INSERT t1 SET name='Jacob', age=2; INSERT into t1 SET name='Caleb', age=1; ALTER TABLE t1 ADD id int(8) ZEROFILL AUTO_INCREMENT PRIMARY KEY; select * from t1; name age id Andy 31 00000001 Jacob 2 00000002 Caleb 1 00000003 select * from t1; name age id Andy 31 00000001 Jacob 2 00000002 Caleb 1 00000003 drop table t1;