{"version":"1.0","blog_url":"https://higepon.hatenablog.com/","published":"2009-01-31 18:28:19","title":" \u4eca\u65e5\u306e\u5fa9\u7fd2","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhigepon.hatenablog.com%2Fentry%2F20090131%2F1233394099\" 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>","author_name":"higepon","description":"10\u5272 Join Set and Aggregation Projection (3D) \u4eee\u60f3\u8a18\u61b6 B+-Tree","blog_title":"higepon blog","image_url":null,"width":"100%","provider_name":"Hatena Blog","categories":["study"],"author_url":"https://blog.hatena.ne.jp/higepon/","height":"190","url":"https://higepon.hatenablog.com/entry/20090131/1233394099","type":"rich"}