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mysql 外鍵 級聯刪除 級聯更新:Cannot delete or update a parent row: a foreign key constraint fails (`db1`.grade
時間 2020-12-26
標籤
mysql
外鍵
級聯更新
級聯刪除
欄目
MySQL
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原文
原文鏈接
報錯:Cannot delete or update a parent row: a foreign key constraint fails。 原因:表關聯生成的強制約束問題,在刪除的時候回檢查表之間的關聯關係,從而導致無法刪除,更新 解決辦法: SET foreign_key_checks = 0; // 先設置外鍵約束檢查關閉 //進行刪除或者更新操作 update student se
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MySQL錯誤號1451-Cannot delete or update a parent row: a foreign key constraint fails
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Mysql Reference Constraint -ERROR 1217 (23000): Cannot delete or update a parent row: a foreign key
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ERROR 1452 : Cannot add or update a child row: a foreign key constraint fails
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相關文章
1.
MySQL Cannot delete or update a parent row: a foreign key constraint fails
2.
刪除外鍵關聯表報Cannot delete or update a parent row: a foreign key constraint fails 錯誤
3.
級聯刪除報Cannot delete or update a parent row: a foreign key constraint fails解決方法
4.
關於mysql中[Err] 1451 -Cannot delete or update a parent row: a foreign key constraint fails
5.
ERROR 1217 (23000) at line 730: Cannot delete or update a parent row: a foreign key constraint fails
6.
MySQL錯誤號1451-Cannot delete or update a parent row: a foreign key constraint fails
7.
數據庫報錯Cannot delete or update a parent row: a foreign key constraint fails
8.
Mysql Reference Constraint -ERROR 1217 (23000): Cannot delete or update a parent row: a foreign key
9.
ERROR 1452 : Cannot add or update a child row: a foreign key constraint fails
10.
Cannot add or update a child row: a foreign key constraint fails mysql報:1452
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