{"type":"rich","height":"190","categories":["DB\u30fbSQL"],"provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/dodosu/","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/d/dodosu/20230202/20230202140716.png","published":"2023-02-12 11:59:23","width":"100%","version":"1.0","url":"https://dodosu.hatenablog.jp/entry/2023/02/12/115923","description":"\u53c2\u8003\u8a18\u4e8b UNION\u306e\u30a4\u30e1\u30fc\u30b8 UNION\u306e\u4f7f\u3044\u6240 FULL OUTER JOIN\u306e\u4f7f\u3044\u6240 \u53c2\u8003\u8a18\u4e8b note.com UNION\u306e\u30a4\u30e1\u30fc\u30b8 UNION\u306f\u7e26\u306b\u30c6\u30fc\u30d6\u30eb\u7d50\u5408\u3002 JOIN\u306f\u6a2a\u306b\u30c6\u30fc\u30d6\u30eb\u7d50\u5408\u3002 \u3068\u3044\u3046\u30a4\u30e1\u30fc\u30b8\u3002 UNION\u306e\u4f7f\u3044\u6240 \u7570\u306a\u308b\u30c6\u30fc\u30d6\u30eb\u306e\u5024\u3092\u96c6\u8a08\u3057\u305f\u3044\u3068\u304d fruits table Meat table \u30d5\u30eb\u30fc\u30c4\u30c6\u30fc\u30d6\u30eb\u3068\u8089\u30c6\u30fc\u30d6\u30eb\u306e\u5e97\u92ea\u30b3\u30fc\u30c92\u306e\u58f2\u4e0a\u5408\u8a08\u3092\u51fa\u529b\u2193 select sum(sale_value) from ( select * from Fruits union select * from Meat ) AS Table3 where Table3.tenpo\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fdodosu.hatenablog.jp%2Fentry%2F2023%2F02%2F12%2F115923\" title=\"UNION\u306e\u4f7f\u3044\u6240 - okinawa\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_url":"https://hatena.blog","blog_url":"https://dodosu.hatenablog.jp/","author_name":"dodosu","blog_title":"okinawa","title":"UNION\u306e\u4f7f\u3044\u6240"}