{"author_url":"https://blog.hatena.ne.jp/shigemk2/","blog_title":"by shigemk2","title":"about foreign key","provider_url":"https://hatena.blog","type":"rich","provider_name":"Hatena Blog","image_url":null,"categories":["MySQL"],"version":"1.0","author_name":"shigemk2","height":"190","width":"100%","published":"2017-06-12 13:02:33","description":"\u5916\u90e8\u30ad\u30fc\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3002 CONSTRAINT\u304c\u809d\u3067\u3001\u5916\u90e8\u30ad\u30fc\u306e\u5148\u3067\u5b9a\u7fa9\u3057\u3066\u3044\u306a\u3044ID\u3067\u5916\u90e8\u30ad\u30fc\u306e\u30c6\u30fc\u30d6\u30eb\u3092\u3064\u304f\u308c\u306a\u3044 https://dev.mysql.com/doc/refman/5.6/ja/create-table-foreign-keys.html","blog_url":"https://www.shigemk2.com/","url":"https://www.shigemk2.com/entry/2017/06/12/about_foreign_key","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fwww.shigemk2.com%2Fentry%2F2017%2F06%2F12%2Fabout_foreign_key\" title=\"about foreign key - by shigemk2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>"}