{"provider_name":"Hatena Blog","published":"2012-05-29 23:08:25","blog_url":"https://kagamihoge.hatenablog.com/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkagamihoge.hatenablog.com%2Fentry%2F20120529%2F1338300505\" title=\"\u9054\u4eba\u306b\u5b66\u3076 SQL\u5fb9\u5e95\u6307\u5357\u66f8 - kagamihoge\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","width":"100%","author_name":"kagamihoge","title":"\u9054\u4eba\u306b\u5b66\u3076 SQL\u5fb9\u5e95\u6307\u5357\u66f8","image_url":"http://ecx.images-amazon.com/images/I/41ITBBEjKgL.jpg","type":"rich","provider_url":"https://hatena.blog","blog_title":"kagamihoge\u306e\u65e5\u8a18","author_url":"https://blog.hatena.ne.jp/kagamihoge/","categories":["DB","\u66f8\u7c4d\u611f\u60f3"],"height":"190","version":"1.0","url":"https://kagamihoge.hatenablog.com/entry/20120529/1338300505","description":"\u5c11\u3057\u524d\u306b\u4ed5\u4e8b\u3067\u66f8\u3044\u305fSQL\u304c\u7206\u767a\u3057\u305f\u3053\u3068\u3082\u3042\u308a\u3001\u305d\u308d\u305d\u308dSQL\u3092\u307e\u3068\u3082\u306b\u52c9\u5f37\u3057\u306a\u304a\u3059\u826f\u3044\u6a5f\u4f1a\u304b\u3068\u601d\u3044\u3053\u306e\u672c\u3092\u8cb7\u3063\u3066\u304d\u305f\u3002\u66f8\u8a55\u3068\u304b\u3092\u898b\u308b\u3068\u3001\u4eca\u98a8\u306bSQL\u3092\u5b66\u3073\u306a\u304a\u3059\u306b\u306f\u4e01\u5ea6\u3088\u3055\u305d\u3046\u3060\u3063\u305f\u306e\u3067\u672c\u66f8\u3092\u30c1\u30e7\u30a4\u30b9\u3057\u305f\u306e\u3060\u304c\u3001\u4e01\u5ea6\u826f\u3044\u5869\u6885\u306e\u96e3\u6613\u5ea6\u3060\u3063\u305f\u3002SQL\u306e\u57fa\u790e\u307e\u3067\u306f\u884c\u304b\u305a\u3068\u3082\u518d\u5165\u9580\u3059\u308b\u306b\u306f\u7a0b\u3088\u3044\u96e3\u3057\u3055\u3001\u5177\u4f53\u7684\u306a\u30af\u30a8\u30ea\u4f8b\u3092\u6319\u3052\u3066\u306eSQL\u306e\u30c6\u30af\u30cb\u30c3\u30af\u7d39\u4ecb\u3068\u305d\u306e\u610f\u7fa9\u306e\u89e3\u8aac\u306b\u7df4\u7fd2\u554f\u984c\u3068\u3067\u4e2d\u3005\u306b\u5b9f\u7528\u7684\u3067\u306f\u306a\u3044\u304b\u3068\u601d\u3046\u3002\u521d\u3063\u7aef\u306fCASE\u5f0f\u304b\u3089\u59cb\u307e\u308b\u306e\u3060\u3051\u3069\u3001CASE\u300c\u5f0f\u300d\u306a\u306e\u3067\u3001\u5f0f\u304c\u66f8\u3051\u308b\u5834\u6240\u306a\u3089\u3069\u3053\u3067\u3082\u66f8\u3051\u308b\u3068\u3044\u3046\u306e\u306f\u4e2d\u3005\u306b\u76ee\u304b\u3089\u9c57\u3060\u3063\u305f\u3002\u6761\u4ef6\u4ed8\u304dUPDATE\u306f\u3068\u3082\u304b\u304f\u3001CHECK\u5236\u7d04\u306b\u3082CASE\u304c\u4f7f\u3048\u308b\u3068\u304b\u2026"}