MYSQL: Cannot delete or update a parent row: a foreign key constraint fails
這可能是MySQL在InnoDB中設置了foreign key關聯，造成無法更新或刪除數據。可以通過設置FOREIGN_KEY_CHECKS變量來避免這種情況。 SET FOREIGN_KEY_CHECKS = 0; 刪除完成后設置 SET FOREIGN_KEY ...
原文：解決Cannot delete or update a parent row: a foreign key constraint fails的mysql報錯
問題 刪除有外鍵關聯的數據或者表的時候，mysql出現報錯： Cannot delete or update a parent row: a foreign key constraint fails 解決方法 SET foreign key checks 先設置外鍵約束檢查關閉 drop table mytable 刪除數據，表或者視圖 SET foreign key checks 開啟外鍵約束 ...
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