關於mysql中[Err] 1451 -Cannot delete or update a parent row: a foreign key constraint fails
[Err] 1451 -Cannot delete or update a parent row: a foreign key constraint fails SET FOREIGN_KEY_CHECKS = 0 //關閉外鍵約束 進行完操作後別忘記了再把外鍵約束重新打開以下是打開數據庫的外鍵約束： SET FOREIGN_KEY_CHECKS = 1 //打開外鍵約束 t_role表： t_r
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- 2. MySQL錯誤號1451-Cannot delete or update a parent 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. MySQL錯誤號1451-Cannot delete or update a parent row: a foreign key constraint fails
- 3. Mysql Reference Constraint -ERROR 1217 (23000): Cannot delete or update a parent row: a foreign key
- 4. [Err] 1452-Cannot add or update a child 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. 數據庫報錯Cannot delete or update a parent row: a foreign key constraint fails
- 7. Cannot add or update a child row: a foreign key constraint fails mysql報：1452
- 8. Mysql之1451 - Cannot delete or update a parent row: a foreign key constraint fails...解決辦法記錄
- 9. ERROR 1452 : Cannot add or update a child row: a foreign key constraint fails
- 10. 1452-Cannot add or update a child row: a foreign key constraint fails