As long as there is no other way to update wells_pts (that is, you must revoke privileges from all other users), referential integrity is guaranteed.
只要没有其他更新wells_pts的方法(即，必须从所有其他用户那里撤消修改这个表的特权)，那么引用完整性就是有保证的。
As long as there is no other way to update wells_pts (that is, you must revoke privileges from all other users), referential integrity is guaranteed.
只要没有其他更新wells_pts的方法(即，必须从所有其他用户那里撤消修改这个表的特权)，那么引用完整性就是有保证的。
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