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 TABLE test.t1 (n MEDIUMINT NOT NULL, d DATETIME, PRIMARY KEY(n));
8
4
CREATE TABLE test.t2 (n MEDIUMINT NOT NULL AUTO_INCREMENT, f FLOAT, d DATETIME, PRIMARY KEY(n));
9
5
CREATE TABLE test.t3 (n MEDIUMINT NOT NULL AUTO_INCREMENT, d DATETIME, PRIMARY KEY(n));