{"id":21585,"date":"2024-01-02T11:55:25","date_gmt":"2024-01-02T11:55:25","guid":{"rendered":"https:\/\/server.hk\/blog\/21585\/"},"modified":"2024-11-14T10:30:19","modified_gmt":"2024-11-14T02:30:19","slug":"mongodb-glossary-schema","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/21585\/","title":{"rendered":"MongoDB \u8a5e\u5f59\u8868 &#8211; \u7d50\u69cb"},"content":{"rendered":"<h1 id=\"mongodb-glossary-schema-FYapsvLcGC\">MongoDB \u8a5e\u5f59\u8868 &#8211; \u7d50\u69cb<\/h1>\n<p>\u5728\u8cc7\u6599\u5eab\u7684\u4e16\u754c\u4e2d\uff0c\u7d50\u69cb\u6307\u7684\u662f\u5b9a\u7fa9\u8cc7\u6599\u5982\u4f55\u7d44\u7e54\u548c\u5132\u5b58\u7684\u85cd\u5716\u6216\u67b6\u69cb\u3002MongoDB \u4f5c\u70ba\u4e00\u500b\u53d7\u6b61\u8fce\u7684 NoSQL \u8cc7\u6599\u5eab\uff0c\u4e5f\u6709\u5176\u7368\u7279\u7684\u65b9\u5f0f\u4f86\u8655\u7406\u7d50\u69cb\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u5c07\u63a2\u8a0e MongoDB \u4e2d\u7d50\u69cb\u7684\u6982\u5ff5\uff0c\u4e26\u4e86\u89e3\u5176\u91cd\u8981\u6027\u3002<\/p>\n<h2 id=\"what-is-a-schema-in-mongodb-FYapsvLcGC\">MongoDB \u4e2d\u7684\u7d50\u69cb\u662f\u4ec0\u9ebc\uff1f<\/h2>\n<p>\u5728 MongoDB \u4e2d\uff0c\u7d50\u69cb\u662f\u53ef\u9078\u7684\u3002\u8207\u50b3\u7d71\u7684\u95dc\u806f\u5f0f\u8cc7\u6599\u5eab\u4e0d\u540c\uff0cMongoDB \u662f\u7121\u7d50\u69cb\u7684\uff0c\u9019\u610f\u5473\u8457\u4f60\u53ef\u4ee5\u5728\u6c92\u6709\u9810\u5b9a\u7fa9\u7d50\u69cb\u7684\u60c5\u6cc1\u4e0b\u5132\u5b58\u6587\u4ef6\u3002\u9019\u7a2e\u9748\u6d3b\u6027\u5141\u8a31\u4f60\u5728\u540c\u4e00\u500b\u96c6\u5408\u4e2d\u5132\u5b58\u4e0d\u540c\u985e\u578b\u548c\u7d50\u69cb\u7684\u8cc7\u6599\u3002<\/p>\n<p>MongoDB \u4f7f\u7528\u96c6\u5408\u4f86\u5132\u5b58\u8cc7\u6599\uff0c\u800c\u4e0d\u662f\u8868\u683c\u3002\u6bcf\u500b\u96c6\u5408\u4e2d\u7684\u6587\u4ef6\u90fd\u53ef\u4ee5\u6709\u81ea\u5df1\u7368\u7279\u7684\u7d50\u69cb\u3002\u9019\u7a2e\u9748\u6d3b\u6027\u7279\u5225\u9069\u5408\u8655\u7406\u975e\u7d50\u69cb\u5316\u6216\u5feb\u901f\u8b8a\u5316\u7684\u8cc7\u6599\u3002<\/p>\n<h2 id=\"advantages-of-a-schema-less-approach-FYapsvLcGC\">\u7121\u7d50\u69cb\u65b9\u6cd5\u7684\u512a\u9ede<\/h2>\n<p>MongoDB \u7684\u7121\u7d50\u69cb\u7279\u6027\u5e36\u4f86\u4e86\u591a\u9805\u512a\u52e2\uff1a<\/p>\n<ul>\n<li><strong>\u9748\u6d3b\u6027\uff1a<\/strong>\u4f60\u53ef\u4ee5\u8f15\u9b06\u5730\u5411\u6587\u4ef6\u4e2d\u6dfb\u52a0\u6216\u79fb\u9664\u6b04\u4f4d\uff0c\u800c\u4e0d\u6703\u5f71\u97ff\u6574\u500b\u96c6\u5408\u3002\u9019\u4f7f\u5f97\u7cfb\u7d71\u80fd\u66f4\u5bb9\u6613\u9069\u61c9\u8b8a\u5316\u7684\u696d\u52d9\u9700\u6c42\u3002<\/li>\n<li><strong>\u53ef\u64f4\u5c55\u6027\uff1a<\/strong>MongoDB \u7684\u9748\u6d3b\u7d50\u69cb\u5141\u8a31\u6c34\u5e73\u64f4\u5c55\uff0c\u8b93\u8cc7\u6599\u66f4\u5bb9\u6613\u5206\u4f48\u5728\u591a\u500b\u4f3a\u670d\u5668\u4e0a\u3002<\/li>\n<li><strong>\u6027\u80fd\uff1a<\/strong>\u7531\u65bc\u4e0d\u9700\u8981\u9032\u884c\u8907\u96dc\u7684\u95dc\u806f\u64cd\u4f5c\u6216\u5916\u9375\u95dc\u4fc2\uff0cMongoDB \u80fd\u63d0\u4f9b\u66f4\u5feb\u901f\u7684\u8b80\u53d6\u548c\u5beb\u5165\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<h2 id=\"schema-validation-FYapsvLcGC\">\u7d50\u69cb\u9a57\u8b49<\/h2>\n<p>\u96d6\u7136 MongoDB \u652f\u63f4\u7121\u7d50\u69cb\u7684\u65b9\u5f0f\uff0c\u4f46\u5b83\u4e5f\u63d0\u4f9b\u4e86\u4e00\u500b\u7a31\u70ba\u300c\u7d50\u69cb\u9a57\u8b49\u300d\u7684\u529f\u80fd\uff0c\u5141\u8a31\u4f60\u5c0d\u6587\u4ef6\u7684\u7d50\u69cb\u5f37\u5236\u57f7\u884c\u67d0\u4e9b\u898f\u5247\u3002\u9019\u500b\u529f\u80fd\u6709\u52a9\u65bc\u4fdd\u6301\u8cc7\u6599\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002<\/p>\n<p>\u4f7f\u7528\u7d50\u69cb\u9a57\u8b49\u6642\uff0c\u4f60\u53ef\u4ee5\u900f\u904e MongoDB \u67e5\u8a62\u8a9e\u8a00 (MQL) \u5b9a\u7fa9\u9a57\u8b49\u898f\u5247\u3002\u9019\u4e9b\u898f\u5247\u53ef\u4ee5\u5305\u62ec\u5c0d\u8cc7\u6599\u985e\u578b\u3001\u6b04\u4f4d\u5b58\u5728\u8207\u5426\u9032\u884c\u6aa2\u67e5\uff0c\u751a\u81f3\u662f\u81ea\u5b9a\u7fa9\u7684\u9a57\u8b49\u908f\u8f2f\u3002\u5728\u63d2\u5165\u6216\u66f4\u65b0\u6587\u4ef6\u6642\uff0cMongoDB \u6703\u6839\u64da\u5b9a\u7fa9\u7684\u898f\u5247\u9032\u884c\u9a57\u8b49\uff0c\u4e26\u62d2\u7d55\u4efb\u4f55\u4e0d\u7b26\u5408\u898f\u5247\u7684\u6587\u4ef6\u3002<\/p>\n<p>\u7d50\u69cb\u9a57\u8b49\u5728\u9700\u8981\u78ba\u4fdd\u67d0\u7a2e\u8cc7\u6599\u8cea\u91cf\u6216\u5f37\u5236\u57f7\u884c\u7279\u5b9a\u696d\u52d9\u898f\u5247\u7684\u60c5\u5883\u4e2d\u7279\u5225\u6709\u7528\u3002<\/p>\n<h2 id=\"example-FYapsvLcGC\">\u7bc4\u4f8b<\/h2>\n<p>\u5047\u8a2d\u6211\u5011\u5728 MongoDB \u4e2d\u6709\u4e00\u500b\u540d\u70ba\u300cusers\u300d\u7684\u96c6\u5408\u3002\u6bcf\u500b\u300cusers\u300d\u96c6\u5408\u4e2d\u7684\u6587\u4ef6\u4ee3\u8868\u4e00\u500b\u7528\u6236\uff0c\u4e26\u4e14\u53ef\u4ee5\u6839\u64da\u7528\u6236\u7684\u8cc7\u6599\u64c1\u6709\u4e0d\u540c\u7684\u6b04\u4f4d\u3002<\/p>\n<pre><code>\r\n{\r\n  \"_id\": ObjectId(\"60a7c4e8e8e8e8e8e8e8e8e8\"),\r\n  \"name\": \"John Doe\",\r\n  \"age\": 30,\r\n  \"email\": \"john.doe@example.com\",\r\n  \"address\": {\r\n    \"street\": \"123 Main St\",\r\n    \"city\": \"New York\",\r\n    \"state\": \"NY\"\r\n  }\r\n}\r\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c\u6587\u4ef6\u5305\u542b\u4e86 &#8220;name&#8221;\u3001&#8221;age&#8221;\u3001&#8221;email&#8221; \u548c &#8220;address&#8221; \u9019\u4e9b\u6b04\u4f4d\u3002\u7136\u800c\uff0c\u82e5\u53e6\u4e00\u500b\u7528\u6236\u7684\u6587\u4ef6\u4e2d\u6c92\u6709 &#8220;address&#8221; \u6b04\u4f4d\uff0cMongoDB \u4e5f\u5141\u8a31\u9019\u7a2e\u9748\u6d3b\u6027\u3002<\/p>\n<h2 id=\"summary-FYapsvLcGC\">\u7e3d\u7d50<\/h2>\n<p>\u5728 MongoDB \u4e2d\uff0c\u7d50\u69cb\u662f\u53ef\u9078\u7684\uff0c\u4e26\u4e14\u8cc7\u6599\u5eab\u8a2d\u8a08\u6210\u7121\u7d50\u69cb\u7684\u3002\u9019\u7a2e\u9748\u6d3b\u6027\u5141\u8a31\u8f15\u9b06\u9069\u61c9\u4e0d\u65b7\u8b8a\u5316\u7684\u8cc7\u6599\u9700\u6c42\uff0c\u4e26\u5728\u53ef\u64f4\u5c55\u6027\u548c\u6027\u80fd\u65b9\u9762\u5e36\u4f86\u512a\u52e2\u3002\u7136\u800c\uff0cMongoDB \u4e5f\u63d0\u4f9b\u4e86\u7d50\u69cb\u9a57\u8b49\u529f\u80fd\uff0c\u7528\u65bc\u5c0d\u6587\u4ef6\u7d50\u69cb\u5f37\u5236\u57f7\u884c\u67d0\u4e9b\u898f\u5247\uff0c\u5f9e\u800c\u5e6b\u52a9\u4fdd\u6301\u8cc7\u6599\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002<\/p>\n<p>\u5982\u679c\u4f60\u6709\u8208\u8da3\u9032\u4e00\u6b65\u4e86\u89e3 MongoDB \u53ca\u5176\u529f\u80fd\uff0c\u8acb\u8003\u616e\u67e5\u770b <a href=\"https:\/\/server.hk\">Server.HK<\/a>\uff0c\u9019\u662f\u4e00\u5bb6\u9818\u5148\u7684 VPS \u4e3b\u6a5f\u516c\u53f8\uff0c\u63d0\u4f9b\u53ef\u9760\u4e14\u9ad8\u6548\u7684 MongoDB \u4e3b\u6a5f\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>MongoDB \u8a5e\u5f59\u8868 &#038;#82&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-21585","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21585","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=21585"}],"version-history":[{"count":2,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21585\/revisions"}],"predecessor-version":[{"id":23858,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21585\/revisions\/23858"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=21585"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=21585"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=21585"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}