1.Incorrect table definition; there can be only one auto column and it must be defined as a key
参照:一个字段如果设为auto increment则必须把这个字段作为索引(key)
1.Incorrect table definition; there can be only one auto column and it must be defined as a key
参照:一个字段如果设为auto increment则必须把这个字段作为索引(key)