{"id":91190,"date":"2024-03-21T13:32:33","date_gmt":"2024-03-21T04:32:33","guid":{"rendered":"https:\/\/www.silicloud.com\/ja\/blog\/mongodb%e3%81%a7%e8%a4%87%e5%90%88%e3%82%a4%e3%83%b3%e3%83%87%e3%83%83%e3%82%af%e3%82%b9%e3%82%92%e4%bd%9c%e6%88%90%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/"},"modified":"2024-04-05T11:21:23","modified_gmt":"2024-04-05T02:21:23","slug":"mongodb%e3%81%a7%e8%a4%87%e5%90%88%e3%82%a4%e3%83%b3%e3%83%87%e3%83%83%e3%82%af%e3%82%b9%e3%82%92%e4%bd%9c%e6%88%90%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/ja\/blog\/mongodb%e3%81%a7%e8%a4%87%e5%90%88%e3%82%a4%e3%83%b3%e3%83%87%e3%83%83%e3%82%af%e3%82%b9%e3%82%92%e4%bd%9c%e6%88%90%e3%81%99%e3%82%8b%e6%96%b9%e6%b3%95\/","title":{"rendered":"MongoDB\u3067\u8907\u5408\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f5c\u6210\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"<p>MongoDB \u3067\u8907\u5408\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f5c\u6210\u3059\u308b\u306b\u306f\u3001createIndex() \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002createIndex() \u30e1\u30bd\u30c3\u30c9\u306e\u69cb\u6587\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<p>db.collection.createIndex(keys, options);<\/p>\n<p>\u3053\u3053\u3067\u3001keys \u306f\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u6307\u5b9a\u306b\u4f7f\u7528\u3055\u308c\u308b\u30d5\u30a3\u30fc\u30eb\u30c9\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3067\u3042\u308a\u3001\u5404\u30d5\u30a3\u30fc\u30eb\u30c9\u306b\u306f\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u9806\u5e8f\uff081 \u306f\u6607\u9806\u3001-1 \u306f\u964d\u9806\uff09\u304c\u6307\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002options \u306f\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3067\u3042\u308a\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u4ed6\u306e\u30aa\u30d7\u30b7\u30e7\u30f3\uff08unique \u3084 sparse \u306a\u3069\uff09\u3092\u6307\u5b9a\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u7d50\u5408\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f5c\u6210\u3059\u308b\u4f8b\u3092\u6b21\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n<p>db.collection.createIndex({ field1: 1, field2: -1 })<\/p>\n<p>\u4e0a\u306e\u4f8b\u3067\u306f\u3001field1\u3068field2\u304c\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f5c\u6210\u3059\u308b\u30d5\u30a3\u30fc\u30eb\u30c9\u3067\u30011\u306ffield1\u3092\u6607\u9806\u3067\u3001-1\u306ffield2\u3092\u964d\u9806\u3067\u4e26\u3073\u66ff\u3048\u308b\u3053\u3068\u3092\u8868\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f5c\u6210\u3059\u308b\u3068\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u4f4e\u4e0b\u3059\u308b\u5834\u5408\u304c\u3042\u308b\u305f\u3081\u3001\u4f5c\u6210\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u304b\u3069\u3046\u304b\u3092\u8a55\u4fa1\u3057\u3001\u5fc5\u8981\u306a\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306e\u307f\u3092\u4f5c\u6210\u3059\u308b\u3088\u3046\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MongoDB \u3067\u8907\u5408\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f5c\u6210\u3059\u308b\u306b\u306f\u3001createIndex() \u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002createIndex() \u30e1\u30bd\u30c3\u30c9\u306e\u69cb\u6587\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002 db.collection.createIndex(ke [&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-91190","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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