使用其他表值删除SQL

Question

我有三个表Team和User_Has_Team以及User

现在，我希望删除User_Has_Team中Username等于User_id 1的实体。

你会如何解决这个问题？

Answer 1

DELETE FROM User_Has_Team WHERE users_id=1

如果你想删除给定用户名的记录，那就更难了

DELETE FROM User_Has_Team AS uht INNER JOIN users AS u ON u.id=uht.users_id WHERE u.name="Bob";

Answer 2

“丑陋”的方式：

delete from user_has_team 
where username in (select username from user where id=1);

“漂亮”的方式是user1032531

的答案