mysql遇到的两个报错原因
表中的’courseid’字段没有设置为自增
Field 'courseid' doesn't have a default value
要设置为自增字段的字段不是主键
Incorrect table definition; there can be only one auto column and
it must be defined as a key
mysql遇到的两个报错原因
表中的’courseid’字段没有设置为自增
Field 'courseid' doesn't have a default value
要设置为自增字段的字段不是主键
Incorrect table definition; there can be only one auto column and
it must be defined as a key