The problem is simple: the attribute aid in tableA is the auto-increment primary key, the attribute bid in tableB is the auto-increment primary key, and the aid in A is referenced as the foreign key. If the aid in B is set to auto-increment, there are two auto-increment in B. If it is not set to auto-increment, it is in conflict with the aid auto-increment in. How can this problem be solved? Auto-increment mysql foreign key primary key
The problem is simple: the attribute aid in table A is the auto-increment primary key, the attribute bid in table B is the auto-increment primary key, and the aid in table A is referenced as the foreign key. If the aid in B is set to auto-increment, there are two auto-increment in B. If it is not set to auto-increment, it is in conflict with the aid auto-increment in. How can this problem be solved?
