MYSQL: Cannot delete or update a parent row: a foreign key constraint fails

MYSQL: Cannot delete or update a parent row: a foreign key constraint fails - 雅冰石的专栏 - CSDN博客
https://blog.csdn.net/yabingshi_tech/article/details/52290124

sql - Cannot delete or update a parent row: a foreign key constraint fails - Stack Overflow
https://stackoverflow.com/questions/1905470/cannot-delete-or-update-a-parent-row-a-foreign-key-constraint-fails

表删除时 Cannot delete or update a parent row: a foreign key constraint fails 异常处理 - 不积跬步，无以至千里；不积小流，无以成江海 - CSDN博客
https://blog.csdn.net/kakingka/article/details/44960331