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laravelのmigrationでハマった話 Cannot delete or update a parent row: a foreign key constraint fails - Qiita
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MYSQL数据库)ERROR 1217 (23000): Cannot delete or update a parent row: a foreign key constraint fails_数据库1217_唔使般若的博客-CSDN博客
![Could not drop object because it is referenced by a FOREIGN KEY constraint - SQL Server P74 - YouTube Could not drop object because it is referenced by a FOREIGN KEY constraint - SQL Server P74 - YouTube](https://i.ytimg.com/vi/SUcC4DZWwKY/hqdefault.jpg)
Could not drop object because it is referenced by a FOREIGN KEY constraint - SQL Server P74 - YouTube
![mysql - Cannot delete or update a parent row: a foreign key constraint fails. MagicDraw tables error - Stack Overflow mysql - Cannot delete or update a parent row: a foreign key constraint fails. MagicDraw tables error - Stack Overflow](https://i.stack.imgur.com/4P7qR.png)