{"id":247403,"date":"2024-01-02T21:45:20","date_gmt":"2024-01-02T13:45:20","guid":{"rendered":"https:\/\/www.idc.net\/help\/247403\/"},"modified":"2024-01-02T21:45:20","modified_gmt":"2024-01-02T13:45:20","slug":"mongodb-%e6%9c%af%e8%af%ad-%e8%af%bb%e5%8f%96%e5%85%b3%e6%b3%a8","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/247403\/","title":{"rendered":"MongoDB \u672f\u8bed &#8211; \u8bfb\u53d6\u5173\u6ce8"},"content":{"rendered":"<p><title id=\"mongodb-%e6%9c%af%e8%af%ad-%e8%af%bb%e5%8f%96%e5%85%b3%e6%b3%a8-pRGdEWmnwx\">MongoDB \u672f\u8bed - \u8bfb\u53d6\u5173\u6ce8<\/title><\/p>\n<h1 id=\"mongodb-%e6%9c%af%e8%af%ad-%e8%af%bb%e5%8f%96%e5%85%b3%e6%b3%a8-pRGdEWmnwx\">MongoDB \u672f\u8bed - \u8bfb\u53d6\u5173\u6ce8<\/h1>\n<h2 id=\"%e4%bb%80%e4%b9%88%e6%98%afmongodb%ef%bc%9f-pRGdEWmnwx\">\u4ec0\u4e48\u662fMongoDB\uff1f<\/h2>\n<p>MongoDB\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u6587\u6863\u6570\u636e\u5e93\uff0c\u91c7\u7528NoSQL\u7684\u6982\u5ff5\uff0c\u4ee5JSON\u683c\u5f0f\u5b58\u50a8\u6570\u636e\u3002\u5b83\u662f\u4e00\u4e2a\u9ad8\u6027\u80fd\u3001\u53ef\u6269\u5c55\u7684\u6570\u636e\u5e93\u89e3\u51b3\u65b9\u6848\uff0c\u5e7f\u6cdb\u5e94\u7528\u4e8e\u73b0\u4ee3\u5e94\u7528\u7a0b\u5e8f\u7684\u5f00\u53d1\u4e2d\u3002<\/p>\n<h2 id=\"%e8%af%bb%e5%8f%96%e5%85%b3%e6%b3%a8-pRGdEWmnwx\">\u8bfb\u53d6\u5173\u6ce8<\/h2>\n<p>\u5728MongoDB\u4e2d\uff0c\u8bfb\u53d6\u5173\u6ce8\u662f\u6307\u5bf9\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u8fdb\u884c\u8bfb\u53d6\u64cd\u4f5c\u65f6\u9700\u8981\u6ce8\u610f\u7684\u4e00\u4e9b\u4e8b\u9879\u3002\u4e86\u89e3\u8fd9\u4e9b\u672f\u8bed\u548c\u6982\u5ff5\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u4eba\u5458\u66f4\u597d\u5730\u4f7f\u7528MongoDB\u8fdb\u884c\u6570\u636e\u8bfb\u53d6\u3002<\/p>\n<h3 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id=\"%e6%96%87%e6%a1%a3%ef%bc%88document%ef%bc%89-pRGdEWmnwx\">\u6587\u6863\uff08Document\uff09<\/h3>\n<p>\u6587\u6863\u662fMongoDB\u4e2d\u7684\u57fa\u672c\u6570\u636e\u5355\u5143\uff0c\u7c7b\u4f3c\u4e8e\u5173\u7cfb\u578b\u6570\u636e\u5e93\u4e2d\u7684\u884c\u3002\u5b83\u662f\u4e00\u4e2a\u7531\u952e\u503c\u5bf9\u7ec4\u6210\u7684\u6570\u636e\u7ed3\u6784\uff0c\u53ef\u4ee5\u5305\u542b\u5404\u79cd\u7c7b\u578b\u7684\u6570\u636e\u3002\u5728\u8bfb\u53d6\u6570\u636e\u65f6\uff0c\u6211\u4eec\u53ef\u4ee5\u6307\u5b9a\u8981\u8bfb\u53d6\u7684\u6587\u6863\u3002<\/p>\n<h3 id=\"%e6%9f%a5%e8%af%a2%ef%bc%88query%ef%bc%89-pRGdEWmnwx\">\u67e5\u8be2\uff08Query\uff09<\/h3>\n<p>\u67e5\u8be2\u662f\u6307\u5728MongoDB\u4e2d\u6839\u636e\u7279\u5b9a\u6761\u4ef6\u6765\u68c0\u7d22\u6570\u636e\u7684\u64cd\u4f5c\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u67e5\u8be2\u8bed\u53e5\u6765\u6307\u5b9a\u8981\u8bfb\u53d6\u7684\u6570\u636e\u7684\u6761\u4ef6\uff0c\u4f8b\u5982\u6307\u5b9a\u67d0\u4e2a\u5b57\u6bb5\u7684\u503c\u7b49\u3002<\/p>\n<h3 id=\"%e6%8a%95%e5%bd%b1%ef%bc%88projection%ef%bc%89-pRGdEWmnwx\">\u6295\u5f71\uff08Projection\uff09<\/h3>\n<p>\u6295\u5f71\u662f\u6307\u5728\u67e5\u8be2\u6570\u636e\u65f6\uff0c\u53ea\u8fd4\u56de\u6ee1\u8db3\u7279\u5b9a\u6761\u4ef6\u7684\u5b57\u6bb5\u3002\u901a\u8fc7\u4f7f\u7528\u6295\u5f71\uff0c\u6211\u4eec\u53ef\u4ee5\u53ea\u83b7\u53d6\u9700\u8981\u7684\u5b57\u6bb5\uff0c\u51cf\u5c11\u6570\u636e\u4f20\u8f93\u548c\u5904\u7406\u7684\u5f00\u9500\u3002<\/p>\n<h3 id=\"%e6%8e%92%e5%ba%8f%ef%bc%88sort%ef%bc%89-pRGdEWmnwx\">\u6392\u5e8f\uff08Sort\uff09<\/h3>\n<p>\u6392\u5e8f\u662f\u6307\u5bf9\u67e5\u8be2\u7ed3\u679c\u6309\u7167\u7279\u5b9a\u5b57\u6bb5\u8fdb\u884c\u6392\u5e8f\u7684\u64cd\u4f5c\u3002\u6211\u4eec\u53ef\u4ee5\u6307\u5b9a\u5347\u5e8f\u6216\u964d\u5e8f\u6765\u6392\u5e8f\u67e5\u8be2\u7ed3\u679c\u3002<\/p>\n<h3 id=\"%e9%99%90%e5%88%b6%ef%bc%88limit%ef%bc%89-pRGdEWmnwx\">\u9650\u5236\uff08Limit\uff09<\/h3>\n<p>\u9650\u5236\u662f\u6307\u9650\u5236\u67e5\u8be2\u7ed3\u679c\u8fd4\u56de\u7684\u6587\u6863\u6570\u91cf\u3002\u901a\u8fc7\u8bbe\u7f6e\u9650\u5236\uff0c\u6211\u4eec\u53ef\u4ee5\u63a7\u5236\u8fd4\u56de\u7684\u6570\u636e\u91cf\uff0c\u907f\u514d\u4e00\u6b21\u6027\u8fd4\u56de\u8fc7\u591a\u7684\u6570\u636e\u3002<\/p>\n<h3 id=\"%e8%b7%b3%e8%bf%87%ef%bc%88skip%ef%bc%89-pRGdEWmnwx\">\u8df3\u8fc7\uff08Skip\uff09<\/h3>\n<p>\u8df3\u8fc7\u662f\u6307\u5728\u67e5\u8be2\u7ed3\u679c\u4e2d\u8df3\u8fc7\u6307\u5b9a\u6570\u91cf\u7684\u6587\u6863\u3002\u901a\u8fc7\u8bbe\u7f6e\u8df3\u8fc7\uff0c\u6211\u4eec\u53ef\u4ee5\u5b9e\u73b0\u5206\u9875\u67e5\u8be2\u7684\u529f\u80fd\u3002<\/p>\n<h2 id=\"%e6%80%bb%e7%bb%93-pRGdEWmnwx\">\u603b\u7ed3<\/h2>\n<p>\u5728\u4f7f\u7528MongoDB\u8fdb\u884c\u6570\u636e\u8bfb\u53d6\u65f6\uff0c\u6211\u4eec\u9700\u8981\u5173\u6ce8\u96c6\u5408\u3001\u6587\u6863\u3001\u67e5\u8be2\u3001\u6295\u5f71\u3001\u6392\u5e8f\u3001\u9650\u5236\u548c\u8df3\u8fc7\u7b49\u672f\u8bed\u548c\u6982\u5ff5\u3002\u4e86\u89e3\u8fd9\u4e9b\u6982\u5ff5\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u66f4\u597d\u5730\u4f7f\u7528MongoDB\u8fdb\u884c\u6570\u636e\u8bfb\u53d6\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"%e9%a6%99%e6%b8%af%e6%9c%8d%e5%8a%a1%e5%99%a8%e9%a6%96%e9%80%89%e5%90%8e%e6%b5%aa%e4%ba%91-pRGdEWmnwx\">\u9999\u6e2f\u670d\u52a1\u5668\u9996\u9009\u540e\u6d6a\u4e91<\/h2>\n<p>\u540e\u6d6a\u4e91\u662f\u4e00\u5bb6\u63d0\u4f9b\u9999\u6e2f\u670d\u52a1\u5668\u3001\u7f8e\u56fd\u670d\u52a1\u5668\u548c\u4e91\u670d\u52a1\u5668\u7684\u4e91\u8ba1\u7b97\u516c\u53f8\u3002\u5982\u679c\u60a8\u9700\u8981\u4f7f\u7528\u9999\u6e2f\u670d\u52a1\u5668\uff0c\u540e\u6d6a\u4e91\u662f\u60a8\u7684\u9996\u9009\u3002\u8bf7\u8bbf\u95ee<a href=\"https:\/\/idc.net\">https:\/\/idc.net<\/a>\u4e86\u89e3\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MongoDB \u672f\u8bed - \u8bfb\u53d6\u5173\u6ce8 MongoDB \u672f\u8bed - \u8bfb\u53d6\u5173\u6ce8 \u4ec0\u4e48\u662fMongoDB\uff1f MongoDB [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7038],"tags":[],"class_list":["post-247403","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/247403","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=247403"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/247403\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=247403"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=247403"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=247403"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}