{"id":21507,"date":"2024-01-02T10:32:26","date_gmt":"2024-01-02T10:32:26","guid":{"rendered":"https:\/\/server.hk\/blog\/21507\/"},"modified":"2024-11-14T10:31:37","modified_gmt":"2024-11-14T02:31:37","slug":"mongodb-glossary-index","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/21507\/","title":{"rendered":"MongoDB \u8a5e\u5f59\u8868 – \u7d22\u5f15"},"content":{"rendered":"

MongoDB \u8a5e\u5f59\u8868 – \u7d22\u5f15\uff08Index\uff09<\/h1>\n

\u5728\u6578\u64da\u5eab\u7684\u4e16\u754c\u4e2d\uff0c\u7d22\u5f15\u5728\u63d0\u5347\u67e5\u8a62\u6027\u80fd\u548c\u52a0\u5feb\u6578\u64da\u6aa2\u7d22\u65b9\u9762\u626e\u6f14\u8457\u81f3\u95dc\u91cd\u8981\u7684\u89d2\u8272\u3002MongoDB \u4f5c\u70ba\u4e00\u500b\u53d7\u6b61\u8fce\u7684 NoSQL \u6578\u64da\u5eab\uff0c\u4e5f\u5229\u7528\u7d22\u5f15\u4f86\u589e\u5f37\u5176\u6548\u7387\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u5c07\u63a2\u8a0e MongoDB \u4e2d\u7d22\u5f15\u7684\u6982\u5ff5\uff0c\u4e26\u4e86\u89e3\u5b83\u5011\u5982\u4f55\u512a\u5316\u6578\u64da\u5eab\u64cd\u4f5c\u3002<\/p>\n

\u4ec0\u9ebc\u662f\u7d22\u5f15\uff1f<\/h2>\n

\u7d22\u5f15\u662f\u4e00\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u7528\u65bc\u63d0\u9ad8\u6578\u64da\u6aa2\u7d22\u64cd\u4f5c\u5728\u6578\u64da\u5eab\u8868\u4e0a\u7684\u901f\u5ea6\u3002\u5b83\u901a\u904e\u5275\u5efa\u6578\u64da\u7684\u6709\u5e8f\u8868\u793a\u4f86\u5de5\u4f5c\uff0c\u5141\u8a31\u6578\u64da\u5eab\u5feb\u901f\u5b9a\u4f4d\u548c\u8a2a\u554f\u7279\u5b9a\u8a18\u9304\u3002\u5982\u679c\u6c92\u6709\u7d22\u5f15\uff0c\u6578\u64da\u5eab\u9700\u8981\u6383\u63cf\u6574\u500b\u96c6\u5408\u4f86\u67e5\u627e\u6240\u9700\u7684\u6578\u64da\uff0c\u9019\u6703\u5c0e\u81f4\u67e5\u8a62\u57f7\u884c\u901f\u5ea6\u8b8a\u6162\u3002<\/p>\n

MongoDB \u4e2d\u7684\u7d22\u5f15\u985e\u578b<\/h2>\n

MongoDB \u652f\u6301\u5404\u7a2e\u985e\u578b\u7684\u7d22\u5f15\uff0c\u4ee5\u6eff\u8db3\u4e0d\u540c\u7684\u67e5\u8a62\u6a21\u5f0f\u548c\u9700\u6c42\u3002\u8b93\u6211\u5011\u63a2\u8a0e\u4e00\u4e9b\u5e38\u7528\u7684\u7d22\u5f15\u985e\u578b\uff1a<\/p>\n

\u55ae\u5b57\u6bb5\u7d22\u5f15<\/h3>\n

\u55ae\u5b57\u6bb5\u7d22\u5f15\u662f MongoDB \u4e2d\u6700\u57fa\u672c\u7684\u7d22\u5f15\u985e\u578b\u3002\u5b83\u5c0d\u6587\u6a94\u7684\u55ae\u500b\u5b57\u6bb5\u9032\u884c\u7d22\u5f15\uff0c\u5f9e\u800c\u6839\u64da\u8a72\u5b57\u6bb5\u5be6\u73fe\u9ad8\u6548\u6aa2\u7d22\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u7d93\u5e38\u6839\u64da “name” \u5b57\u6bb5\u67e5\u8a62\u6587\u6a94\uff0c\u5247\u5728\u8a72\u5b57\u6bb5\u4e0a\u5275\u5efa\u55ae\u5b57\u6bb5\u7d22\u5f15\u5c07\u986f\u8457\u52a0\u5feb\u641c\u7d22\u904e\u7a0b\u3002<\/p>\n

\u8907\u5408\u7d22\u5f15<\/h3>\n

\u8907\u5408\u7d22\u5f15\u5141\u8a31\u60a8\u5728\u6587\u6a94\u4e2d\u7684\u591a\u500b\u5b57\u6bb5\u4e0a\u5275\u5efa\u7d22\u5f15\u3002\u7576\u60a8\u7d93\u5e38\u6839\u64da\u5b57\u6bb5\u7684\u7d44\u5408\u4f86\u641c\u7d22\u6587\u6a94\u6642\uff0c\u5b83\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u7d93\u5e38\u6839\u64da “name” \u548c “age” \u5b57\u6bb5\u67e5\u8a62\u6587\u6a94\uff0c\u5728\u9019\u4e9b\u5b57\u6bb5\u4e0a\u5275\u5efa\u8907\u5408\u7d22\u5f15\u5c07\u512a\u5316\u641c\u7d22\u64cd\u4f5c\u3002<\/p>\n

\u591a\u9375\u7d22\u5f15<\/h3>\n

\u591a\u9375\u7d22\u5f15\u7528\u65bc\u5c0d\u6587\u6a94\u4e2d\u7684\u6578\u7d44\u6216\u5b50\u6587\u6a94\u9032\u884c\u7d22\u5f15\u3002\u5b83\u5141\u8a31\u6839\u64da\u7d22\u5f15\u6578\u7d44\u6216\u5b50\u6587\u6a94\u4e2d\u5b58\u5728\u7684\u503c\u9ad8\u6548\u67e5\u8a62\u6587\u6a94\u3002\u901a\u904e\u5275\u5efa\u591a\u9375\u7d22\u5f15\uff0c\u60a8\u53ef\u4ee5\u52a0\u5feb\u6d89\u53ca\u6578\u7d44\u5b57\u6bb5\u7684\u641c\u7d22\u3002<\/p>\n

\u6587\u672c\u7d22\u5f15<\/h3>\n

\u6587\u672c\u7d22\u5f15\u5c08\u9580\u8a2d\u8a08\u7528\u65bc\u5c0d\u5b57\u7b26\u4e32\u5167\u5bb9\u9032\u884c\u5168\u6587\u641c\u7d22\u3002\u5b83\u4f7f\u5f97\u5728\u6587\u672c\u5b57\u6bb5\u4e2d\u9ad8\u6548\u641c\u7d22\u7279\u5b9a\u55ae\u8a5e\u6216\u77ed\u8a9e\u6210\u70ba\u53ef\u80fd\u3002\u6587\u672c\u7d22\u5f15\u4f7f\u7528\u7279\u5b9a\u65bc\u8a9e\u8a00\u7684\u898f\u5247\u4f86\u6a19\u8a18\u548c\u7d22\u5f15\u6587\u672c\uff0c\u5f9e\u800c\u4fbf\u65bc\u57f7\u884c\u57fa\u65bc\u6587\u672c\u7684\u67e5\u8a62\u3002<\/p>\n

\u5730\u7406\u7a7a\u9593\u7d22\u5f15<\/h3>\n

\u5730\u7406\u7a7a\u9593\u7d22\u5f15\u7528\u65bc\u5c0d\u5730\u7406\u7a7a\u9593\u6578\u64da\uff08\u4f8b\u5982\u5750\u6a19\uff09\u9032\u884c\u7d22\u5f15\u3002\u5b83\u4f7f\u5f97\u6839\u64da\u6587\u6a94\u8207\u7279\u5b9a\u4f4d\u7f6e\u7684\u63a5\u8fd1\u7a0b\u5ea6\u9ad8\u6548\u67e5\u8a62\u6210\u70ba\u53ef\u80fd\u3002\u5730\u7406\u7a7a\u9593\u7d22\u5f15\u652f\u6301\u5404\u7a2e\u5e7e\u4f55\u5f62\u72c0\uff0c\u4e26\u53ef\u7528\u65bc\u57f7\u884c\u8907\u96dc\u7684\u7a7a\u9593\u67e5\u8a62\u3002<\/p>\n

\u5728 MongoDB \u4e2d\u5275\u5efa\u548c\u7ba1\u7406\u7d22\u5f15<\/h2>\n

\u5728 MongoDB \u4e2d\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 createIndex()<\/code> \u65b9\u6cd5\u4f86\u5275\u5efa\u7d22\u5f15\u3002\u6b64\u65b9\u6cd5\u5141\u8a31\u60a8\u6307\u5b9a\u96c6\u5408\u3001\u8981\u7d22\u5f15\u7684\u5b57\u6bb5\u4ee5\u53ca\u5176\u4ed6\u9078\u9805\uff0c\u5982\u7d22\u5f15\u985e\u578b\u548c\u552f\u4e00\u6027\u3002\u4f8b\u5982\uff0c\u8981\u5728 “name” \u5b57\u6bb5\u4e0a\u5275\u5efa\u55ae\u5b57\u6bb5\u7d22\u5f15\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n

db.collection.createIndex({ name: 1 })\r\n<\/code><\/pre>\n
\u4e00\u65e6\u5275\u5efa\uff0c\u7d22\u5f15\u53ef\u4ee5\u4f7f\u7528 dropIndex()<\/code> \u547d\u4ee4\u4f86\u79fb\u9664\u7d22\u5f15\uff0c\u4e26\u4f7f\u7528 listIndexes()<\/code> \u547d\u4ee4\u67e5\u770b\u96c6\u5408\u4e0a\u7684\u6240\u6709\u7d22\u5f15\u3002<\/p>\n
\u7d50\u8ad6<\/h2>\n
\u7d22\u5f15\u662f\u4efb\u4f55\u6578\u64da\u5eab\u7cfb\u7d71\u7684\u91cd\u8981\u7d44\u6210\u90e8\u5206\uff0c\u5305\u62ec MongoDB\u3002\u5b83\u5011\u901a\u904e\u5141\u8a31\u6578\u64da\u5eab\u66f4\u9ad8\u6548\u5730\u5b9a\u4f4d\u548c\u6aa2\u7d22\u6578\u64da\uff0c\u986f\u8457\u63d0\u9ad8\u4e86\u67e5\u8a62\u6027\u80fd\u3002MongoDB \u63d0\u4f9b\u4e86\u591a\u7a2e\u985e\u578b\u7684\u7d22\u5f15\uff0c\u5982\u55ae\u5b57\u6bb5\u7d22\u5f15\u3001\u8907\u5408\u7d22\u5f15\u3001\u591a\u9375\u7d22\u5f15\u3001\u6587\u672c\u7d22\u5f15\u548c\u5730\u7406\u7a7a\u9593\u7d22\u5f15\uff0c\u4ee5\u6eff\u8db3\u4e0d\u540c\u7684\u6578\u64da\u67e5\u8a62\u9700\u6c42\u3002\u901a\u904e\u6709\u6548\u7406\u89e3\u548c\u5229\u7528\u7d22\u5f15\uff0c\u60a8\u53ef\u4ee5\u512a\u5316\u60a8\u7684 MongoDB \u6578\u64da\u5eab\u4e26\u63d0\u5347\u6574\u9ad4\u61c9\u7528\u6027\u80fd\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u7e3d\u4e4b\uff0cMongoDB \u4e2d\u7684\u7d22\u5f15\u5c0d\u65bc\u6539\u5584\u67e5\u8a62\u6027\u80fd\u548c\u52a0\u5feb\u6578\u64da\u6aa2\u7d22\u81f3\u95dc\u91cd\u8981\u3002MongoDB \u652f\u6301\u591a\u7a2e\u985e\u578b\u7684\u7d22\u5f15\uff0c\u5305\u62ec\u55ae\u5b57\u6bb5\u7d22\u5f15\u3001\u8907\u5408\u7d22\u5f15\u3001\u591a\u9375\u7d22\u5f15\u3001\u6587\u672c\u7d22\u5f15\u548c\u5730\u7406\u7a7a\u9593\u7d22\u5f15\u3002\u5728 MongoDB \u4e2d\u5275\u5efa\u548c\u7ba1\u7406\u7d22\u5f15\u662f\u901a\u904e createIndex()<\/code>\u3001dropIndex()<\/code> \u548c listIndexes()<\/code> \u7b49\u547d\u4ee4\u4f86\u5b8c\u6210\u7684\u3002\u8981\u4e86\u89e3\u66f4\u591a\u6709\u95dc MongoDB \u53ca\u5176\u5f37\u5927\u529f\u80fd\u7684\u4fe1\u606f\uff0c\u8003\u616e\u63a2\u7d22 Server.HK<\/a>\uff0c\u9019\u662f\u4e00\u5bb6\u63d0\u4f9b\u53ef\u9760\u548c\u9ad8\u6548\u8a17\u7ba1\u89e3\u6c7a\u65b9\u6848\u7684\u9818\u5148 VPS \u8a17\u7ba1\u516c\u53f8\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
MongoDB \u8a5e\u5f59\u8868 &#82...<\/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-21507","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21507","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=21507"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21507\/revisions"}],"predecessor-version":[{"id":23957,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/21507\/revisions\/23957"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=21507"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=21507"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=21507"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}