约束paintings_updated_by_id_fk外键(updated_by_id)在DELETE SET NULL上引用admin_users (id),在DELETE SET NULL上约束paintings_created_by_id_fk外键(created_by_id)引用admin_users (id),在DELETE SET NULL上引用约束paintings_updated_by_id_fk外键(updated
Author_3 ON Book.AuthName = Author_3.Name
WHERE Book.Title = "HelpMe" ORDER BY Book.Number; 我已经阅读了这里的文档https://knexjs.org/#Builder-join,但我几乎不知道如何使用给定的示例来满足我的需求,因为没有这样的多个内部连接的示例。