{"provider_url":"https://hatena.blog","provider_name":"Hatena Blog","title":"DB \u5e73\u621026\u5e74\u5ea6\u6625\u671f \u554f16","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/t/trhnmr/20220517/20220517151055.png","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fqe.hpeo.jp%2Fentry%2Fipa-db%2Fe14h16\" title=\"DB \u5e73\u621026\u5e74\u5ea6\u6625\u671f \u554f16 - \u8cc7\u683c\u90e8\" 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":"trhnmr","type":"rich","version":"1.0","author_url":"https://blog.hatena.ne.jp/trhnmr/","width":"100%","blog_title":"\u8cc7\u683c\u90e8","description":"\u201c\u5546\u54c1\u6708\u9593\u8ca9\u58f2\u5b9f\u7e3e\u201d\u8868\u306b\u5bfe\u3057\u3066\uff0cSQL\u6587\u3092\u5b9f\u884c\u3057\u3066\u5f97\u3089\u308c\u308b\u7d50\u679c\u306f\u3069\u308c\u304b\u3002 \u3014SQL\u6587\u3015 SELECT A.\u5546\u54c1\u30b3\u30fc\u30c9 AS \u5546\u54c1\u30b3\u30fc\u30c9, A.\u7dcf\u8ca9\u58f2\u6570 AS \u7dcf\u8ca9\u58f2\u6570 FROM \u5546\u54c1\u6708\u9593\u8ca9\u58f2\u5b9f\u7e3e A WHERE 3 > (SELECT COUNT(*) FROM \u5546\u54c1\u6708\u9593\u8ca9\u58f2\u5b9f\u7e3e B WHERE A.\u7dcf\u8ca9\u58f2\u6570 < B.\u7dcf\u8ca9\u58f2\u6570) \u89e3\u7b54\u30fb\u89e3\u8aac \u89e3\u7b54 \u30a6 \u89e3\u8aac \u30fc \u53c2\u8003\u66f8\u30fb\u554f\u984c\u96c6 \u53c2\u8003\u60c5\u5831 \u5206\u91ce\u30fb\u5206\u985e \u5206\u91ce \u30c6\u30af\u30ce\u30ed\u30b8\u7cfb \u5927\u5206\u985e \u6280\u8853\u8981\u7d20 \u4e2d\u5206\u985e \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9 \u5c0f\u5206\u985e \u30c7\u30fc\u30bf\u64cd\u4f5c \u51fa\u984c\u6b74 DB \u5e73\u621026\u5e74\u5ea6\u6625\u671f \u554f16 \u524d\u554f \u4e00\u89a7 \u6b21\u554f","height":"190","blog_url":"https://qe.hpeo.jp/","url":"https://qe.hpeo.jp/entry/ipa-db/e14h16","published":"2023-04-25 14:01:02","categories":["\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b9\u30da\u30b7\u30e3\u30ea\u30b9\u30c8"]}