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

本文转载自  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的约束，通过关闭Foreign Key检查后，删除SQL表格成功：

Set FOREIGN_KEY_CHECKS = 0; 关闭Foreign Key检查​

drop table Table_Name;

Set FOREIGN_KEY_CHECKS = 1; 恢复Foreign Key检查​


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猜您在找 MYSQL: Cannot delete or update a parent row: a foreign key constraint fails mysql删除有外链索引数据,Cannot delete or update a parent row: a foreign key constraint fails 问题的解决办法 1452, 'Cannot add or update a child row: a foreign key constraint fails ERROR 1452 : Cannot add or update a child row: a foreign key constraint fails Error 'Cannot add or update a child row: a foreign key constraint fails故障解决 MySql数据库插入或更新报错：Cannot add or update a child row: a foreign key constraint fails Mysql错误1452 - Cannot add or update a child row: a foreign key constraint fails 原因及解决方法 解决ORM错误:django.db.utils.IntegrityError: (1452, 'Cannot add or update a child row: a foreign key constraint fails 异常处理：1215 - Cannot add foreign key constraint mysql 错误号1553 MySQL Cannot drop index needed in a foreign key constraint,外键也会创建索引
 
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