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ERROR 1217 (23000): Cannot delete or update a parent row: a foreign key constraint fails

本文轉載自   查看原文   2019-07-18 15:21   809    Mysql

"ERROR 1217 (23000): Cannot delete or update a parent row: a foreign key constraint fails​"

原因是Foreign Key的約束，通過關閉Foreign Key檢查后，刪除SQL表格成功：

Set FOREIGN_KEY_CHECKS = 0; 關閉Foreign Key檢查​

drop table Table_Name;

Set FOREIGN_KEY_CHECKS = 1; 恢復Foreign Key檢查​


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