on delete restrict
如果子表中有匹配的记录,则不允许对父表对应候选键进行update/delete操作. RESTRICT 同no action, 都是立即检查外键约束. SET NULL 父表有 ..., cascade方式在父表上update/delete記錄時，同步update/delete掉子表的匹配記錄. set null方式在父表上update/delete記錄時，將子表上匹配記.
| 相關軟體 Navicat for MySQL 資訊 | |
|---|---|
 on delete restrict 相關參考資料
MySQL 建立Foreign Key ( InnoDB ) 時要注意的一件事@ Amin's Note ...
Cannot delete or update a parent row: a foreign key constraint fails. 後來才發現在建立資料 ... RESTRICT - 與NO ACTION 相同。 詳細的錯誤訊息 ... http://lagunawang.pixnet.net MySql 外键约束之CASCADE、SET NULL、RESTRICT、NO ACTION ...
如果子表中有匹配的记录,则不允许对父表对应候选键进行update/delete操作. RESTRICT 同no action, 都是立即检查外键约束. SET NULL 父表有 ... https://www.cnblogs.com MySQL外鍵設置中的的Cascade、NO ACTION、Restrict、SET Null ...
cascade方式在父表上update/delete記錄時，同步update/delete掉子表的匹配記錄. set null方式在父表上update/delete記錄時，將子表上匹配記. http://fecbob.pixnet.net innodb - How to use RESTRICT for Foreign Key in mysql? - Database ...
According to the MySQL Documentation on DELETE RESTRICT. • RESTRICT: Rejects the delete or update operation for the parent table. https://dba.stackexchange.com sql中的CASCADE和RESTRICT - mayapinggo的博客- CSDN博客
restrict等同于no action no action :如果子表中有匹配的记录，则不允许对父表对应候选键进行update/delete操作sql server 中restrict 会报语法错误 ... https://blog.csdn.net mysql的on delete restrict与on ordelete cascade区别- fishineye的专栏 ...
mysql的on delete restrict与on ordelete cascade区别. 2014年09月16日09:35:41 fishineye 阅读数：6473. 外键约束对子表的含义: 如果在父表中找不到候选键,则不 ... https://blog.csdn.net difference between cascade and restrict? SQL DDL database - Stack ...
The ON DELETE CASCADE and ON DELETE RESTRICT are the foreign key property and you set them when you are creating the relationship ... https://stackoverflow.com Exact Meaning of MySQL's Foreign Key 'on delete restrict' Clause ...
ON DELETE RESTRICT means you can't delete a given parent row if a child row exists that references the value for that parent row. https://stackoverflow.com MySQL 8.0 Reference Manual :: 13.1.20.6 Using FOREIGN ... - MySQL
RESTRICT : Rejects the delete or update operation for the parent table. Specifying RESTRICT (or NO ACTION ) is the same as omitting the ON DELETE or ON ... https://dev.mysql.com |