我已经设置了一个包含带有外键的列的表,设置为ON DELETE CASCADE(删除父项时删除子项)
ON DELETE CASCADE
SQL命令将其更改ON DELETE RESTRICT为什么？(如果有子女,则无法删除父母)
ON DELETE RESTRICT
mysql foreign-keys foreign-key-relationship
foreign-key-relationship ×1
foreign-keys ×1
mysql ×1