{"published":"2026-03-25 19:40:11","description":"PIVOT \u307e\u305f\u306f UNPIVOT \u3092\u4f7f\u308f\u306a\u304f\u3066\u306f\u306a\u3089\u306a\u3044\u72b6\u6cc1\u306f\u3001 \u30c7\u30fc\u30bf\u8a2d\u8a08\u306b\u554f\u984c\u304c\u3042\u308b\u3068\u601d\u3046\u3002 \u3088\u3063\u3066\u3069\u3046\u3057\u3066\u3082\u4e0d\u6163\u308c\u3067\u3042\u3063\u305f\u3002 Oracle \u306ePIVOT\u306f\u3001\u4ee5\u4e0b\u306e\u66f8\u5f0f\u3067\u66f8\u304f\u3053\u3068\u306b\u306a\u3063\u3066\u3044\u3066 PIVOT(\u96c6\u7d04\u95a2\u6570 FOR \u96c6\u7d04\u6761\u4ef6\u5217 IN(\u96c6\u7d04\u6761\u4ef6\u50241 as \u96c6\u7d04\u5f8c\u5217\u540d1, \u96c6\u7d04\u6761\u4ef6\u50242 as \u96c6\u7d04\u5f8c\u5217\u540d2, \u96c6\u7d04\u6761\u4ef6\u50243 as \u96c6\u7d04\u5f8c\u5217\u540d3)) \u3057\u304b\u3082\u5bfe\u8c61\u30c6\u30fc\u30d6\u30eb\u96c6\u7d04\u306f\u3001\u6697\u9ed9\u306eGROUP BY \u3067\u3042\u3063\u3066\u3001 PIVOT( MAX(\u5217\u540d\uff09 OVER( PARTITION BY \uff5e\uff09 \u306e\u3088\u3046\u306b\u3001\u4efb\u610f GROUP BY \u306b\u3057\u305f\u304f\u3066\u3082\u3001 OVER\u53e5\u306e\u4f7f\u7528\u304c\u3053\u3053\u3067\u306f\u8a31\u3055\u308c\u3066\u3044\u306a\u3044\u3002 PIVOT \u306b\u2026","blog_url":"https://oboe2uran.hatenablog.com/","provider_url":"https://hatena.blog","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Foboe2uran.hatenablog.com%2Fentry%2F2026%2F03%2F25%2F194011\" title=\"Oracle\u306ePIVOT - Oboe\u5439\u304d\u30d7\u30ed\u30b0\u30e9\u30de\u306e\u9ed9\u793a\u9332\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":"Oracle\u306ePIVOT","author_url":"https://blog.hatena.ne.jp/posturan/","url":"https://oboe2uran.hatenablog.com/entry/2026/03/25/194011","provider_name":"Hatena Blog","author_name":"posturan","version":"1.0","blog_title":"Oboe\u5439\u304d\u30d7\u30ed\u30b0\u30e9\u30de\u306e\u9ed9\u793a\u9332","type":"rich","image_url":null,"categories":["SQL"],"height":"190"}