{"blog_url":"https://shimack.hatenadiary.jp/","author_url":"https://blog.hatena.ne.jp/hiroki_oshima/","provider_name":"Hatena Blog","published":"2019-08-24 18:52:08","blog_title":"\u5b66\u7fd2\u96d1\u8a18","height":"190","categories":[],"provider_url":"https://hatena.blog","description":"\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u5206\u985e RDB\u3067\u4f7f\u308f\u308c\u308b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f\u3001\u69cb\u9020\u306b\u57fa\u3065\u3044\u3066\u5206\u985e\u3059\u308b\u3068\uff13\u3064\u306b\u5206\u3051\u3089\u308c\u308b B-tree\uff08B+tree\uff09\u30a4\u30f3\u30c7\u30c3\u30af\u30b9 \u30c7\u30fc\u30bf\u3092\u6728\u69cb\u9020\u3067\u4fdd\u6301\u3059\u308b \u6c4e\u7528\u6027\u306e\u9ad8\u3055\u304b\u3089\u4e00\u756a\u3088\u304f\u4f7f\u308f\u308c\u308b\u30a4\u30f3\u30c7\u30c3\u30af\u30b9 \u4fee\u98fe\u306a\u3057\u3067CREATE INDEX\u6587\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u307e\u305a\u5168\u3066\u306eDBMS\u3067\u6697\u9ed9\u306bB-tree\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u4f5c\u6210\u3055\u308c\u308b \u5b9f\u969b\u306b\u306f\u591a\u304f\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067B+tree\u3068\u3044\u3046\u691c\u7d22\u3092\u3088\u308a\u52b9\u7387\u5316\u3057\u305f\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u304c\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\uff08\u30c4\u30ea\u30fc\u306e\u30ea\u30fc\u30d5\u30ce\u30fc\u30c9\u306b\u3060\u3051\u30ad\u30fc\u5024\u3092\u4fdd\u6301\u3059\u308b\uff09 B+tree\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u512a\u308c\u3066\u3044\u308b\u70b9 \u306a\u308b\u3079\u304f\u30eb\u30fc\u30c8\u3068\u30ea\u30fc\u30d5\u306e\u8ddd\u96e2\u3092\u4e00\u5b9a\u306b\u4fdd\u3064\u30d0\u30e9\u30f3\u30b9\u306e\u53d6\u308c\u305f\u6728\u3067\u3042\u308b\u305f\u3081\u3001\u691c\u7d22\u6027\u80fd\u304c\u5b89\u5b9a\u3057\u3066\u3044\u308b \u6728\u2026","title":"SQL\u5b9f\u8df5\u5165\u9580\u7b2c\uff11\uff10\u7ae0\u3092\u8aad\u3093\u3060","author_name":"hiroki_oshima","url":"https://shimack.hatenadiary.jp/entry/2019/08/24/185208","image_url":null,"width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fshimack.hatenadiary.jp%2Fentry%2F2019%2F08%2F24%2F185208\" title=\"SQL\u5b9f\u8df5\u5165\u9580\u7b2c\uff11\uff10\u7ae0\u3092\u8aad\u3093\u3060 - \u5b66\u7fd2\u96d1\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","type":"rich"}