2
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
5
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
7
3
create database if not exists mysqltest1;
8
4
DROP TABLE IF EXISTS mysqltest1.t1;
9
5
CREATE TABLE mysqltest1.t1 (n MEDIUMINT NOT NULL AUTO_INCREMENT,