{"author_url":"https://blog.hatena.ne.jp/higepon/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhigepon.hatenablog.com%2Fentry%2F20090202%2F1233577499\" title=\" \u4eca\u65e5\u306e\u5fa9\u7fd2 - higepon blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":null,"blog_title":"higepon blog","provider_name":"Hatena Blog","url":"https://higepon.hatenablog.com/entry/20090202/1233577499","blog_url":"https://higepon.hatenablog.com/","published":"2009-02-02 21:24:59","categories":["study"],"provider_url":"https://hatena.blog","height":"190","description":"\u30b9\u30ec\u30c3\u30c9\u30bb\u30fc\u30d5 8\u5272 \u518d\u5165\u6027\u518d\u5165\u6027 \u4ee5\u4e0b10\u5272 \u30de\u30eb\u30c1\u30b3\u30a2 Tree based index Query plan \u3068\u6700\u9069\u5316","version":"1.0","author_name":"higepon","width":"100%","title":" \u4eca\u65e5\u306e\u5fa9\u7fd2","type":"rich"}