选择加入2个表

Question

我有3个表，如何获得标题和image_path

用户

id | title

关系

id | image_id | user_id

图像

id | image_path

Answer 1

尝试类似

select u.title, i.image_path
from user u
join relation r on u.id = r.user_id
join images i on r.image_id = i.id