{"title":"Mysql\u306e\u30e1\u30e2","image_url":"http://cdn-ak.f.st-hatena.com/images/fotolife/y/yutakikuchi/20101101/20101101234525.png","categories":["Mysql"],"url":"https://yut.hatenablog.com/entry/20101101/1288624960","blog_title":"Y's note","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyut.hatenablog.com%2Fentry%2F20101101%2F1288624960\" title=\"Mysql\u306e\u30e1\u30e2 - Y&#39;s note\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://yut.hatenablog.com/","description":"\u6982\u8981 \u5b66\u751f\u306e\u8ab2\u984c\u307f\u305f\u3044\u3060\u3051\u3069\u3001\u5b66\u6821\u306e\u6210\u7e3e\u7ba1\u7406\u8868\u3092\u4f5c\u6210\u3057\u3066\u307f\u308b\u3002 \u5916\u90e8KEY\u306e\u4f7f\u3044\u65b9\u306b\u3064\u3044\u3066\u306e\u30e1\u30e2\u3067\u3059\u3002 table\u306e\u5b9a\u7fa9 # \u751f\u5f92\u7ba1\u7406\u30c6\u30fc\u30d6\u30eb(student) # \u79d1\u76ee\u7ba1\u7406\u30c6\u30fc\u30d6\u30eb(subject) # \u6210\u7e3e\u7ba1\u7406\u30c6\u30fc\u30d6\u30eb(score) ER\u56f3 \u3084\u308a\u305f\u3044\u4e8b # \uff11\u3064\u306e\u30c6\u30fc\u30d6\u30eb\u3067\u30c7\u30fc\u30bf\u306e\u91cd\u8907\u3092\u3055\u305b\u306a\u3044\u5236\u7d04\u3092\u3064\u3051\u308b\u3002 # \u751f\u5f92\u7ba1\u7406\u30c6\u30fc\u30d6\u30eb\u304b\u3089\u30c7\u30fc\u30bf\u304cUPDATE/DELETE\u3055\u308c\u305f\u3089\u3001\u6210\u7e3e\u7ba1\u7406\u30c6\u30fc\u30d6\u30eb\u304b\u3089\u3082\u30c7\u30fc\u30bf\u3092UPDATE/DELETE\u3002 # \u79d1\u76ee\u7ba1\u7406\u30c6\u30fc\u30d6\u30eb\u304b\u3089\u30c7\u30fc\u30bf\u304cUPDATE/DELETE\u3055\u308c\u305f\u3089\u3001\u6210\u7e3e\u7ba1\u7406\u30c6\u30fc\u30d6\u30eb\u304b\u3089\u3082\u30c7\u30fc\u30bf\u3092UPDATE/DELETE\u3002 \u30c7\u30fc\u30bf\u306e\u91cd\u8907\u3092\u3055\u305b\u306a\u3044(UN\u2026","provider_name":"Hatena Blog","version":"1.0","height":"190","author_url":"https://blog.hatena.ne.jp/yutakikuchi/","author_name":"yutakikuchi","width":"100%","published":"2010-11-01 00:22:40","type":"rich","provider_url":"https://hatena.blog"}