MySQL:SQL错误(1075)
Incorrect table definition;there can be only one auto column and it must be defined as a key
设为自增的字端需要设置为主键
我有一个朋友,你没见过他,但是应该很熟悉他
Incorrect table definition;there can be only one auto column and it must be defined as a key
设为自增的字端需要设置为主键