{"provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/bleis-tift/","width":"100%","author_name":"bleis-tift","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fbleis-tift.hatenablog.com%2Fentry%2F20080417%2F1208435978\" title=\"EXCEPT\u304c\u306a\u3044RDBMS\u3067\u5dee\u96c6\u5408 - \u3050\u308b\u3050\u308b\uff5e\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","height":"190","image_url":null,"published":"2008-04-17 21:39:38","description":"SELECT T1.* FROM SomeTable T1 LEFT JOIN AnotherTable T2 ON T1.id = T2.id WHERE T2.some_col IS NULL; \u3053\u3093\u306a\u611f\u3058\u306b\u5916\u90e8\u7d50\u5408\u3057\u3066\u3001T2\u5074\u306e\u9805\u76ee\u304cNULL\u306b\u306a\u308b\u3082\u306e\u3092\u62bd\u51fa\u3059\u308c\u3070OK.","title":"EXCEPT\u304c\u306a\u3044RDBMS\u3067\u5dee\u96c6\u5408","version":"1.0","type":"rich","provider_url":"https://hatena.blog","blog_url":"https://bleis-tift.hatenablog.com/","url":"https://bleis-tift.hatenablog.com/entry/20080417/1208435978","categories":["SQL"],"blog_title":"\u3050\u308b\u3050\u308b\uff5e"}