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資料庫 mysql 外鍵 1452 失敗
04-28
django Cannot add or update a child r 1452 a foreign key constraint fails IntegrityError
![解決IntegrityError: (1452, 'Cannot add or update a child row:a foreign key constraint fails一、問題情境二、權宜之計[圖]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)