{"height":"190","author_url":"https://blog.hatena.ne.jp/anton0825/","url":"https://anton0825.hatenablog.com/entry/20080519/1211955139","type":"rich","description":"MySQL\u3067\u56f0\u3063\u305f\u3053\u3068\u304c\u767a\u751f\u3002 \uff11\uff0e\u30c6\u30fc\u30d6\u30eb\uff11\u3001\u30c6\u30fc\u30d6\u30eb\uff12\u3092\u4f5c\u6210\u3057 \uff12\uff0e\u30c6\u30fc\u30d6\u30eb\uff11\u304b\u3089\u30c6\u30fc\u30d6\u30eb\uff12\u3092\u53c2\u7167\u3059\u308b\u5916\u90e8\u30ad\u30fc\u3092\u4f5c\u6210 \uff13\uff0e\u30c6\u30fc\u30d6\u30eb\uff12\u3092\u524a\u9664 \u3068\u3044\u3046\u3053\u3068\u3092\u3057\u3088\u3046\u3068\u601d\u3063\u305f\u3089\u3001\u30c6\u30fc\u30d6\u30eb\uff12\u304c\u524a\u9664\u3067\u304d\u306a\u3044\uff01 \u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u898b\u308b\u3068 ERROR 1217 (23000): Cannot delete or update a parent row: a foreign key constraint fails \u3068\u3042\u308b\u3002\u3069\u3046\u3082\u5916\u90e8\u30ad\u30fc\u5236\u7d04\u304c\u3042\u308b\u3068\u30c6\u30fc\u30d6\u30eb\u3092\u524a\u9664\u3067\u304d\u306a\u3044\u3089\u3057\u3044\u3002 \u3057\u304b\u3057\u3001\u5916\u90e8\u30ad\u30fc\u5236\u7d04\u3092\u524a\u9664\u3059\u308b\u65b9\u6cd5\u304c\u308f\u304b\u3089\u306a\u3044\u3002\u3002 \u3084\u3080\u3092\u5f97\u305a\u30b9\u30ad\u30fc\u30de\u3092\u524a\u9664\u3057\u3066\u518d\u4f5c\u6210\u3002 \u30b9\u30ad\u30fc\u30de\u3084\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u3092\u7c21\u5358\u306b\u5fa9\u6d3b\u3055\u305b\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fanton0825.hatenablog.com%2Fentry%2F20080519%2F1211955139\" title=\"Rails\u306b\u3088\u308b\u30a2\u30b8\u30e3\u30a4\u30ebWeb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a 13\u7ae0\u5b9f\u88c5\u4e2d - \u65e5\u3005\u7cbe\u9032\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2008-05-19 15:12:19","provider_name":"Hatena Blog","version":"1.0","blog_url":"https://anton0825.hatenablog.com/","title":"Rails\u306b\u3088\u308b\u30a2\u30b8\u30e3\u30a4\u30ebWeb\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a 13\u7ae0\u5b9f\u88c5\u4e2d","categories":["IT"],"provider_url":"https://hatena.blog","width":"100%","author_name":"anton0825","image_url":null,"blog_title":"\u65e5\u3005\u7cbe\u9032"}