{"id":247361,"date":"2024-01-02T21:03:21","date_gmt":"2024-01-02T13:03:21","guid":{"rendered":"https:\/\/www.idc.net\/help\/247361\/"},"modified":"2024-01-02T21:03:21","modified_gmt":"2024-01-02T13:03:21","slug":"mongodb-%e6%9c%af%e8%af%ad-%e4%b8%bb%e8%a6%81%e7%9a%84","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/247361\/","title":{"rendered":"MongoDB \u672f\u8bed &#8211; \u4e3b\u8981\u7684"},"content":{"rendered":"<p><title>MongoDB \u672f\u8bed - \u4e3b\u8981\u7684<\/title><\/p>\n<h1 id=\"%e4%b8%bb%e8%a6%81%e7%9a%84-mongodb-%e6%9c%af%e8%af%ad-yimyNUqUbq\">\u4e3b\u8981\u7684 MongoDB \u672f\u8bed<\/h1>\n<h2 id=\"1-%e9%9b%86%e5%90%88%ef%bc%88collection%ef%bc%89-yimyNUqUbq\">1. \u96c6\u5408\uff08Collection\uff09<\/h2>\n<p>\u5728 MongoDB \u4e2d\uff0c\u96c6\u5408\u662f\u4e00\u7ec4\u6587\u6863\u7684\u5bb9\u5668\u3002\u5b83\u7c7b\u4f3c\u4e8e\u5173\u7cfb\u6570\u636e\u5e93\u4e2d\u7684\u8868\uff0c\u4f46\u662f\u6ca1\u6709\u56fa\u5b9a\u7684\u6a21\u5f0f\u3002\u96c6\u5408\u4e2d\u7684\u6587\u6863\u53ef\u4ee5\u6709\u4e0d\u540c\u7684\u5b57\u6bb5\u548c\u7ed3\u6784\u3002<\/p>\n<h2 id=\"2-%e6%96%87%e6%a1%a3%ef%bc%88document%ef%bc%89-yimyNUqUbq\">2. \u6587\u6863\uff08Document\uff09<\/h2>\n<p>\u6587\u6863\u662f MongoDB \u4e2d\u7684\u57fa\u672c\u6570\u636e\u5355\u5143\u3002\u5b83\u7c7b\u4f3c\u4e8e\u5173\u7cfb\u6570\u636e\u5e93\u4e2d\u7684\u884c\u3002\u6587\u6863\u662f\u4e00\u4e2a\u952e\u503c\u5bf9\u7684\u96c6\u5408\uff0c\u5176\u4e2d\u952e\u662f\u5b57\u7b26\u4e32\uff0c\u503c\u53ef\u4ee5\u662f\u5404\u79cd\u7c7b\u578b\u7684\u6570\u636e\u3002<\/p>\n<h2 id=\"3-%e5%ad%97%e6%ae%b5%ef%bc%88field%ef%bc%89-yimyNUqUbq\">3. \u5b57\u6bb5\uff08Field\uff09<\/h2>\n<p>\u5b57\u6bb5\u662f\u6587\u6863\u4e2d\u7684\u4e00\u4e2a\u952e\u503c\u5bf9\u3002\u5b83\u7c7b\u4f3c\u4e8e\u5173\u7cfb\u6570\u636e\u5e93\u4e2d\u7684\u5217\u3002\u5b57\u6bb5\u53ef\u4ee5\u5305\u542b\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u6570\u5b57\u3001\u65e5\u671f\u7b49\u3002<\/p>\n<h2 id=\"4-%e7%b4%a2%e5%bc%95%ef%bc%88index%ef%bc%89-yimyNUqUbq\">4. \u7d22\u5f15\uff08Index\uff09<\/h2>\n<p>\u7d22\u5f15\u662f\u7528\u4e8e\u52a0\u5feb\u67e5\u8be2\u901f\u5ea6\u7684\u6570\u636e\u7ed3\u6784\u3002\u5728 MongoDB \u4e2d\uff0c\u53ef\u4ee5\u5728\u96c6\u5408\u7684\u4e00\u4e2a\u6216\u591a\u4e2a\u5b57\u6bb5\u4e0a\u521b\u5efa\u7d22\u5f15\u3002\u7d22\u5f15\u53ef\u4ee5\u6309\u5347\u5e8f\u6216\u964d\u5e8f\u5b58\u50a8\u5b57\u6bb5\u7684\u503c\uff0c\u5e76\u4e14\u53ef\u4ee5\u6839\u636e\u7d22\u5f15\u8fdb\u884c\u5feb\u901f\u67e5\u627e\u3002<\/p>\n<h2 id=\"5-%e8%bf%87%e6%bb%a4%e5%99%a8%ef%bc%88filter%ef%bc%89-yimyNUqUbq\">5. \u8fc7\u6ee4\u5668\uff08Filter\uff09<\/h2>\n<p>\u8fc7\u6ee4\u5668\u7528\u4e8e\u6307\u5b9a\u67e5\u8be2\u6761\u4ef6\uff0c\u4ee5\u7b5b\u9009\u51fa\u7b26\u5408\u6761\u4ef6\u7684\u6587\u6863\u3002\u5728 MongoDB \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u8fc7\u6ee4\u5668\u6765\u9650\u5236\u67e5\u8be2\u7684\u7ed3\u679c\u3002<\/p>\n<h2 id=\"6-%e6%8a%95%e5%bd%b1%ef%bc%88projection%ef%bc%89-yimyNUqUbq\">6. \u6295\u5f71\uff08Projection\uff09<\/h2>\n<p>\u6295\u5f71\u7528\u4e8e\u6307\u5b9a\u67e5\u8be2\u7ed3\u679c\u4e2d\u5305\u542b\u7684\u5b57\u6bb5\u3002\u5728 MongoDB \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u6295\u5f71\u6765\u9009\u62e9\u9700\u8981\u8fd4\u56de\u7684\u5b57\u6bb5\uff0c\u4ee5\u51cf\u5c11\u6570\u636e\u4f20\u8f93\u548c\u63d0\u9ad8\u67e5\u8be2\u6027\u80fd\u3002<\/p>\n<h2 id=\"7-%e8%81%9a%e5%90%88%ef%bc%88aggregation%ef%bc%89-yimyNUqUbq\">7. \u805a\u5408\uff08Aggregation\uff09<\/h2>\n<p>\u805a\u5408\u662f\u4e00\u79cd\u7528\u4e8e\u5904\u7406\u6570\u636e\u7684\u64cd\u4f5c\uff0c\u53ef\u4ee5\u5bf9\u96c6\u5408\u4e2d\u7684\u6587\u6863\u8fdb\u884c\u5206\u7ec4\u3001\u7b5b\u9009\u3001\u6392\u5e8f\u7b49\u64cd\u4f5c\uff0c\u5e76\u8fd4\u56de\u8ba1\u7b97\u7ed3\u679c\u3002\u5728 MongoDB \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u805a\u5408\u7ba1\u9053\u6765\u6267\u884c\u590d\u6742\u7684\u805a\u5408\u64cd\u4f5c\u3002<\/p>\n<h2 id=\"8-%e5%a4%8d%e5%88%b6%e9%9b%86%ef%bc%88replica-set%ef%bc%89-yimyNUqUbq\">8. \u590d\u5236\u96c6\uff08Replica Set\uff09<\/h2>\n<p>\u590d\u5236\u96c6\u662f\u4e00\u7ec4 MongoDB \u5b9e\u4f8b\u7684\u96c6\u5408\uff0c\u7528\u4e8e\u63d0\u4f9b\u6570\u636e\u5197\u4f59\u548c\u9ad8\u53ef\u7528\u6027\u3002\u590d\u5236\u96c6\u4e2d\u7684\u6bcf\u4e2a\u5b9e\u4f8b\u90fd\u4fdd\u5b58\u4e86\u76f8\u540c\u7684\u6570\u636e\u526f\u672c\uff0c\u5e76\u4e14\u53ef\u4ee5\u81ea\u52a8\u6545\u969c\u8f6c\u79fb\u3002<\/p>\n<h2 id=\"9-%e5%88%86%e7%89%87%ef%bc%88sharding%ef%bc%89-yimyNUqUbq\">9. \u5206\u7247\uff08Sharding\uff09<\/h2>\n<p>\u5206\u7247\u662f\u4e00\u79cd\u7528\u4e8e\u5904\u7406\u5927\u89c4\u6a21\u6570\u636e\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5c06\u6570\u636e\u5206\u6563\u5b58\u50a8\u5728\u591a\u4e2a MongoDB \u5b9e\u4f8b\u4e2d\u3002\u5206\u7247\u53ef\u4ee5\u63d0\u9ad8\u6570\u636e\u7684\u8bfb\u5199\u6027\u80fd\u548c\u5b58\u50a8\u5bb9\u91cf\u3002<\/p>\n<h2 id=\"10-%e4%ba%8b%e5%8a%a1%ef%bc%88transaction%ef%bc%89-yimyNUqUbq\">10. \u4e8b\u52a1\uff08Transaction\uff09<\/h2>\n<p>\u4e8b\u52a1\u662f\u4e00\u7ec4\u64cd\u4f5c\u7684\u903b\u8f91\u5355\u5143\uff0c\u8981\u4e48\u5168\u90e8\u6267\u884c\u6210\u529f\uff0c\u8981\u4e48\u5168\u90e8\u56de\u6eda\u3002\u5728 MongoDB 4.0 \u53ca\u4ee5\u4e0a\u7248\u672c\u4e2d\uff0c\u652f\u6301\u591a\u6587\u6863\u4e8b\u52a1\uff0c\u53ef\u4ee5\u5728\u4e00\u4e2a\u6216\u591a\u4e2a\u96c6\u5408\u4e0a\u6267\u884c\u539f\u5b50\u64cd\u4f5c\u3002<\/p>\n<p>\u4ee5\u4e0a\u662f MongoDB \u7684\u4e00\u4e9b\u4e3b\u8981\u672f\u8bed\uff0c\u4e86\u89e3\u8fd9\u4e9b\u672f\u8bed\u5bf9\u4e8e\u4f7f\u7528 MongoDB \u8fdb\u884c\u5f00\u53d1\u548c\u7ba1\u7406\u975e\u5e38\u91cd\u8981\u3002<\/p>\n<h3 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-yimyNUqUbq\">\u9999\u6e2f\u670d\u52a1\u5668\u9996\u9009\u540e\u6d6a\u4e91<\/h3>\n<p>\u540e\u6d6a\u4e91\u662f\u4e00\u5bb6\u63d0\u4f9b\u9999\u6e2f\u670d\u52a1\u5668\u7684\u4e91\u8ba1\u7b97\u516c\u53f8\u3002\u4ed6\u4eec\u7684\u9999\u6e2f\u670d\u52a1\u5668\u63d0\u4f9b\u7a33\u5b9a\u53ef\u9760\u7684\u6027\u80fd\uff0c\u9002\u7528\u4e8e\u5404\u79cd\u5e94\u7528\u573a\u666f\u3002\u5982\u679c\u60a8\u9700\u8981\u5728\u9999\u6e2f\u5730\u533a\u642d\u5efa\u670d\u52a1\u5668\uff0c\u540e\u6d6a\u4e91\u662f\u60a8\u7684\u9996\u9009\u3002<\/p>\n<p>\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u540e\u6d6a\u4e91\u7684\u9999\u6e2f\u670d\u52a1\u5668\uff0c\u8bf7\u8bbf\u95ee<a href=\"https:\/\/idc.net\">https:\/\/idc.net<\/a>\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MongoDB \u672f\u8bed - \u4e3b\u8981\u7684 \u4e3b\u8981\u7684 MongoDB \u672f\u8bed 1. \u96c6\u5408\uff08Collection\uff09 \u5728 Mon [&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-247361","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/247361","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=247361"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/247361\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=247361"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=247361"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=247361"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}