{"id":95408,"date":"2024-03-21T19:14:44","date_gmt":"2024-03-21T10:14:44","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/sql-%e3%81%ae%e3%82%b0%e3%83%ab%e3%83%bc%e3%83%97%e5%8c%96%e5%87%a6%e7%90%86\/"},"modified":"2024-03-27T07:05:11","modified_gmt":"2024-03-26T22:05:11","slug":"sql-%e3%81%ae%e3%82%b0%e3%83%ab%e3%83%bc%e3%83%97%e5%8c%96%e5%87%a6%e7%90%86","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/sql-%e3%81%ae%e3%82%b0%e3%83%ab%e3%83%bc%e3%83%97%e5%8c%96%e5%87%a6%e7%90%86\/","title":{"rendered":"SQL \u306e\u30b0\u30eb\u30fc\u30d7\u5316\u51e6\u7406"},"content":{"rendered":"<p>GROUP BY\u53e5\u306f\u3001SQL\u30671\u3064\u4ee5\u4e0a\u306e\u5217\u306b\u57fa\u3065\u3044\u3066\u884c\u306e\u30b0\u30eb\u30fc\u30d7\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u5408\u8a08\u3001\u30ab\u30a6\u30f3\u30c8\u3001\u5e73\u5747\u306a\u3069\u3001\u30b0\u30eb\u30fc\u30d7\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u306b\u5bfe\u3059\u308b\u96c6\u8a08\u8a08\u7b97\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>GROUP BY \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u57fa\u672c\u6587\u6cd5\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>SELECT \u52171, \u52172, ... \u5217n, \u805a\u5408\u51fd\u6570(\u5217)\r\nFROM \u8868\u540d\r\nGROUP BY \u52171, \u52172, ... \u5217n;\r\n<\/code><\/pre>\n<p>\u52171\u30012\u3001n\u306f\u30b0\u30eb\u30fc\u30d7\u5316\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5217\u3067\u3001\u96c6\u8a08\u95a2\u6570\u306f\u5404\u30b0\u30eb\u30fc\u30d7\u3092\u8a08\u7b97\u3059\u308b\u95a2\u6570\u3001\u8868\u540d\u306f\u30c7\u30fc\u30bf\u3092\u7167\u4f1a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u30c6\u30fc\u30d6\u30eb\u3067\u3059\u3002<\/p>\n<p>\u4f8b\u3048\u3070\u3001orders\u3068\u3044\u3046\u30c7\u30fc\u30bf\u30c6\u30fc\u30d6\u30eb\u304c\u3042\u308b\u3068\u3057\u307e\u3059\u3002order_id\u3001customer_id\u3001order_date\u3001total_amount\u3068\u3044\u3046\u5217\u304c\u3042\u308a\u307e\u3059\u3002customer_id\u5217\u3067\u30b0\u30eb\u30fc\u30d7\u5316\u3057\u3001\u5404\u9867\u5ba2\u306e\u7dcf\u6ce8\u6587\u91d1\u984d\u3092\u8a08\u7b97\u3059\u308b\u306b\u306f\u3001\u6b21\u306eSQL\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<pre class=\"post-pre\"><code>SELECT customer_id, SUM(total_amount) AS total_order_amount\r\nFROM orders\r\nGROUP BY customer_id;\r\n<\/code><\/pre>\n<p>\u4e0a\u8a18\u306e\u6587\u306f\u3001customer_id\u3067\u30b0\u30eb\u30fc\u30d7\u5316\u3057\u305f\u7d50\u679c\u3092\u8fd4\u3057\u307e\u3059\u304c\u3001\u5404\u30b0\u30eb\u30fc\u30d7\u3067\u5217total_amount\u3092\u5408\u8a08\u3057\u3001\u7d50\u679c\u306b\u306fcustomer_id\u3068total_order_amount\u306e2\u5217\u304c\u542b\u307e\u308c\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>GROUP BY\u53e5\u306f\u3001SQL\u30671\u3064\u4ee5\u4e0a\u306e\u5217\u306b\u57fa\u3065\u3044\u3066\u884c\u306e\u30b0\u30eb\u30fc\u30d7\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u5408\u8a08\u3001\u30ab\u30a6\u30f3\u30c8\u3001\u5e73\u5747\u306a\u3069\u3001\u30b0\u30eb\u30fc\u30d7\u5316\u3055\u308c\u305f\u30c7\u30fc\u30bf\u306b\u5bfe\u3059\u308b\u96c6\u8a08\u8a08\u7b97\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002 GROUP BY \u30b9\u30c6\u30fc\u30c8\u30e1\u30f3 [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-95408","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - 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