{"id":101283,"date":"2024-03-22T03:44:49","date_gmt":"2024-03-21T18:44:49","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/oracle%e3%81%a7%e9%87%8d%e8%a4%87%e3%82%92%e5%89%8a%e9%99%a4%e3%81%97%e3%81%9f%e3%82%b0%e3%83%ab%e3%83%bc%e3%83%97%e5%8c%96\/"},"modified":"2024-04-05T10:40:05","modified_gmt":"2024-04-05T01:40:05","slug":"oracle%e3%81%a7%e9%87%8d%e8%a4%87%e3%82%92%e5%89%8a%e9%99%a4%e3%81%97%e3%81%9f%e3%82%b0%e3%83%ab%e3%83%bc%e3%83%97%e5%8c%96","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/oracle%e3%81%a7%e9%87%8d%e8%a4%87%e3%82%92%e5%89%8a%e9%99%a4%e3%81%97%e3%81%9f%e3%82%b0%e3%83%ab%e3%83%bc%e3%83%97%e5%8c%96\/","title":{"rendered":"oracle\u3067\u91cd\u8907\u3092\u524a\u9664\u3057\u305f\u30b0\u30eb\u30fc\u30d7\u5316"},"content":{"rendered":"<p>Oracle \u306e\u91cd\u8907\u524a\u9664\u306e\u30b0\u30eb\u30fc\u30d7\u5316\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306b\u6b21\u306e\u3088\u3046\u306a\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>DISTINCT \u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u7528\u3044\u308b<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">SELECT<\/span> <span class=\"hljs-keyword\">DISTINCT<\/span> \u5217\u540d\r\n<span class=\"hljs-keyword\">FROM<\/span> \u8868\u540d\r\n<\/code><\/pre>\n<p>\u4f8b\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">SELECT<\/span> <span class=\"hljs-keyword\">DISTINCT<\/span> name\r\n<span class=\"hljs-keyword\">FROM<\/span> employees\r\n<\/code><\/pre>\n<p>\u65b9\u6cd52: GROUP BY\u53e5\u3092\u5229\u7528\u3057\u3066<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">SELECT<\/span> \u5217\u540d\r\n<span class=\"hljs-keyword\">FROM<\/span> \u8868\u540d\r\n<span class=\"hljs-keyword\">GROUP<\/span> <span class=\"hljs-keyword\">BY<\/span> \u5217\u540d\r\n<\/code><\/pre>\n<p>\u4f8b\uff1a\u660e\u65e5\u306b\u5411\u304b\u3063\u3066\u3002 -&gt; \u660e\u65e5\u3078\u3068\u5411\u304b\u3063\u3066<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">SELECT<\/span> name\r\n<span class=\"hljs-keyword\">FROM<\/span> employees\r\n<span class=\"hljs-keyword\">GROUP<\/span> <span class=\"hljs-keyword\">BY<\/span> name\r\n<\/code><\/pre>\n<p>\u4e21\u65b9\u306e\u65b9\u6cd5\u306f\u6307\u5b9a\u3055\u308c\u305f\u5217\u306e\u91cd\u8907\u30b0\u30eb\u30fc\u30d7\u5316\u3092\u53ef\u80fd\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Oracle \u306e\u91cd\u8907\u524a\u9664\u306e\u30b0\u30eb\u30fc\u30d7\u5316\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306b\u6b21\u306e\u3088\u3046\u306a\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002 DISTINCT \u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u7528\u3044\u308b SELECT DISTINCT \u5217\u540d FROM \u8868\u540d \u4f8b\uff1a SELECT DISTINCT name  [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-101283","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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