{"id":175575,"date":"2024-11-08T07:01:18","date_gmt":"2024-11-07T23:01:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/175575\/"},"modified":"2024-11-08T07:01:19","modified_gmt":"2024-11-07T23:01:19","slug":"%e5%a6%82%e4%bd%95%e6%8c%91%e9%81%b8%e9%81%a9%e5%90%88%e8%87%aa%e5%b7%b1%e7%9a%84%e6%9c%89%e6%8e%92%e5%90%8d%e5%87%bd%e6%95%b8%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f-%e6%9c%89%e6%8e%92%e5%90%8d","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/175575\/","title":{"rendered":"\u5982\u4f55\u6311\u9078\u9069\u5408\u81ea\u5df1\u7684\u6709\u6392\u540d\u51fd\u6578\u7684\u6578\u64da\u5eab\uff1f (\u6709\u6392\u540d\u51fd\u6578\u7684\u6578\u64da\u5eab)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e6%8c%91%e9%81%b8%e9%81%a9%e5%90%88%e8%87%aa%e5%b7%b1%e7%9a%84%e6%9c%89%e6%8e%92%e5%90%8d%e5%87%bd%e6%95%b8%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f-RWzAIfpmoY\">\u5982\u4f55\u6311\u9078\u9069\u5408\u81ea\u5df1\u7684\u6709\u6392\u540d\u51fd\u6578\u7684\u6578\u64da\u5eab\uff1f<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u9078\u64c7\u4e00\u500b\u5408\u9069\u7684\u6578\u64da\u5eab\u5c0d\u65bc\u4f01\u696d\u548c\u958b\u767c\u8005\u4f86\u8aaa\u81f3\u95dc\u91cd\u8981\u3002\u7279\u5225\u662f\u7576\u6d89\u53ca\u5230\u6709\u6392\u540d\u51fd\u6578\u7684\u6578\u64da\u5eab\u6642\uff0c\u9019\u4e00\u9078\u64c7\u66f4\u662f\u9700\u8981\u8b39\u614e\u8003\u91cf\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u6311\u9078\u9069\u5408\u81ea\u5df1\u7684\u6709\u6392\u540d\u51fd\u6578\u7684\u6578\u64da\u5eab\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u5efa\u8b70\u548c\u7bc4\u4f8b\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%9c%89%e6%8e%92%e5%90%8d%e5%87%bd%e6%95%b8%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab%ef%bc%9f-RWzAIfpmoY\">\u4ec0\u9ebc\u662f\u6709\u6392\u540d\u51fd\u6578\u7684\u6578\u64da\u5eab\uff1f<\/h2>\n<p>\u6709\u6392\u540d\u51fd\u6578\u7684\u6578\u64da\u5eab\u662f\u6307\u90a3\u4e9b\u80fd\u5920\u6839\u64da\u7279\u5b9a\u6a19\u6e96\u5c0d\u6578\u64da\u9032\u884c\u6392\u5e8f\u548c\u6392\u540d\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u3002\u9019\u4e9b\u6392\u540d\u51fd\u6578\u901a\u5e38\u7528\u65bc\u641c\u7d22\u5f15\u64ce\u3001\u63a8\u85a6\u7cfb\u7d71\u548c\u6578\u64da\u5206\u6790\u7b49\u61c9\u7528\u4e2d\u3002\u5e38\u898b\u7684\u6392\u540d\u51fd\u6578\u5305\u62ec\u57fa\u65bc\u76f8\u95dc\u6027\u3001\u6b0a\u91cd\u548c\u5176\u4ed6\u6307\u6a19\u7684\u6392\u5e8f\u7b97\u6cd5\u3002<\/p>\n<h2 id=\"%e6%8c%91%e9%81%b8%e6%9c%89%e6%8e%92%e5%90%8d%e5%87%bd%e6%95%b8%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab%e7%9a%84%e8%80%83%e9%87%8f%e5%9b%a0%e7%b4%a0-RWzAIfpmoY\">\u6311\u9078\u6709\u6392\u540d\u51fd\u6578\u7684\u6578\u64da\u5eab\u7684\u8003\u91cf\u56e0\u7d20<\/h2>\n<h3 id=\"1-%e6%95%b8%e6%93%9a%e5%ba%ab%e9%a1%9e%e5%9e%8b-RWzAIfpmoY\">1. \u6578\u64da\u5eab\u985e\u578b<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u8003\u616e\u6578\u64da\u5eab\u7684\u985e\u578b\u3002\u5e38\u898b\u7684\u6578\u64da\u5eab\u985e\u578b\u5305\u62ec\u95dc\u4fc2\u578b\u6578\u64da\u5eab\uff08\u5982 MySQL\u3001PostgreSQL\uff09\u548c\u975e\u95dc\u4fc2\u578b\u6578\u64da\u5eab\uff08\u5982 MongoDB\u3001Elasticsearch\uff09\u3002\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u901a\u5e38\u63d0\u4f9b\u5f37\u5927\u7684\u67e5\u8a62\u529f\u80fd\u548c\u4e8b\u52d9\u652f\u6301\uff0c\u800c\u975e\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u5247\u5728\u8655\u7406\u5927\u898f\u6a21\u6578\u64da\u548c\u9748\u6d3b\u6027\u65b9\u9762\u8868\u73fe\u66f4\u4f73\u3002<\/p>\n<h3 id=\"2-%e6%8e%92%e5%90%8d%e5%87%bd%e6%95%b8%e7%9a%84%e6%94%af%e6%8c%81-RWzAIfpmoY\">2. \u6392\u540d\u51fd\u6578\u7684\u652f\u6301<\/h3>\n<p>\u4e0d\u540c\u7684\u6578\u64da\u5eab\u5c0d\u65bc\u6392\u540d\u51fd\u6578\u7684\u652f\u6301\u7a0b\u5ea6\u4e0d\u540c\u3002\u60a8\u9700\u8981\u78ba\u8a8d\u6240\u9078\u64c7\u7684\u6578\u64da\u5eab\u662f\u5426\u63d0\u4f9b\u60a8\u6240\u9700\u7684\u6392\u540d\u51fd\u6578\u3002\u4f8b\u5982\uff0cPostgreSQL \u63d0\u4f9b\u4e86\u591a\u7a2e\u5167\u5efa\u7684\u6392\u540d\u51fd\u6578\uff0c\u5982 <code>RANK()<\/code>\u3001<code>DENSE_RANK()<\/code> \u548c <code>ROW_NUMBER()<\/code>\uff0c\u9019\u4e9b\u51fd\u6578\u53ef\u4ee5\u5e6b\u52a9\u60a8\u6839\u64da\u7279\u5b9a\u689d\u4ef6\u5c0d\u67e5\u8a62\u7d50\u679c\u9032\u884c\u6392\u5e8f\u3002<\/p>\n<h3 id=\"3-%e6%80%a7%e8%83%bd%e5%92%8c%e6%93%b4%e5%b1%95%e6%80%a7-RWzAIfpmoY\">3. \u6027\u80fd\u548c\u64f4\u5c55\u6027<\/h3>\n<p>\u6027\u80fd\u662f\u9078\u64c7\u6578\u64da\u5eab\u6642\u7684\u4e00\u500b\u91cd\u8981\u8003\u91cf\u56e0\u7d20\u3002\u60a8\u9700\u8981\u8a55\u4f30\u6578\u64da\u5eab\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u7684\u6027\u80fd\u8868\u73fe\u3002\u6b64\u5916\uff0c\u64f4\u5c55\u6027\u4e5f\u662f\u4e00\u500b\u95dc\u9375\u56e0\u7d20\uff0c\u7279\u5225\u662f\u7576\u60a8\u7684\u61c9\u7528\u9700\u8981\u96a8\u8457\u7528\u6236\u6578\u91cf\u7684\u589e\u52a0\u800c\u64f4\u5c55\u6642\u3002\u9078\u64c7\u4e00\u500b\u80fd\u5920\u8f15\u9b06\u64f4\u5c55\u7684\u6578\u64da\u5eab\u5c07\u6709\u52a9\u65bc\u672a\u4f86\u7684\u767c\u5c55\u3002<\/p>\n<h3 id=\"4-%e7%a4%be%e5%8d%80%e6%94%af%e6%8c%81%e5%92%8c%e6%96%87%e6%aa%94-RWzAIfpmoY\">4. \u793e\u5340\u652f\u6301\u548c\u6587\u6a94<\/h3>\n<p>\u826f\u597d\u7684\u793e\u5340\u652f\u6301\u548c\u8c50\u5bcc\u7684\u6587\u6a94\u53ef\u4ee5\u5e6b\u52a9\u60a8\u66f4\u5feb\u5730\u89e3\u6c7a\u554f\u984c\u3002\u9078\u64c7\u4e00\u500b\u64c1\u6709\u6d3b\u8e8d\u793e\u5340\u548c\u8a73\u7d30\u6587\u6a94\u7684\u6578\u64da\u5eab\uff0c\u53ef\u4ee5\u8b93\u60a8\u5728\u9047\u5230\u56f0\u96e3\u6642\u7372\u5f97\u53ca\u6642\u7684\u5e6b\u52a9\u3002<\/p>\n<h2 id=\"%e5%af%a6%e9%9a%9b%e7%af%84%e4%be%8b-RWzAIfpmoY\">\u5be6\u969b\u7bc4\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u6709\u6392\u540d\u51fd\u6578\u7684\u6578\u64da\u5eab\u53ca\u5176\u7279\u9ede\uff1a<\/p>\n<ul>\n<li><strong>PostgreSQL<\/strong>: \u63d0\u4f9b\u591a\u7a2e\u6392\u540d\u51fd\u6578\uff0c\u652f\u6301\u8907\u96dc\u67e5\u8a62\uff0c\u9069\u5408\u9700\u8981\u9ad8\u6027\u80fd\u548c\u4e8b\u52d9\u652f\u6301\u7684\u61c9\u7528\u3002<\/li>\n<li><strong>MySQL<\/strong>: \u96d6\u7136\u5728\u6392\u540d\u51fd\u6578\u65b9\u9762\u4e0d\u5982 PostgreSQL \u5f37\u5927\uff0c\u4f46\u4ecd\u7136\u53ef\u4ee5\u901a\u904e <code>ORDER BY<\/code> \u548c <code>LIMIT<\/code> \u4f86\u5be6\u73fe\u57fa\u672c\u7684\u6392\u5e8f\u529f\u80fd\u3002<\/li>\n<li><strong>Elasticsearch<\/strong>: \u5c08\u70ba\u641c\u7d22\u548c\u5206\u6790\u8a2d\u8a08\uff0c\u63d0\u4f9b\u5f37\u5927\u7684\u6392\u540d\u548c\u76f8\u95dc\u6027\u7b97\u6cd5\uff0c\u9069\u5408\u9700\u8981\u5feb\u901f\u641c\u7d22\u7684\u61c9\u7528\u3002<\/li>\n<li><strong>MongoDB<\/strong>: \u96d6\u7136\u4e3b\u8981\u662f\u975e\u95dc\u4fc2\u578b\u6578\u64da\u5eab\uff0c\u4f46\u4e5f\u63d0\u4f9b\u4e86\u4e00\u4e9b\u57fa\u672c\u7684\u6392\u5e8f\u529f\u80fd\uff0c\u9069\u5408\u9748\u6d3b\u7684\u6578\u64da\u6a21\u578b\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-RWzAIfpmoY\">\u7d50\u8ad6<\/h2>\n<p>\u9078\u64c7\u5408\u9069\u7684\u6709\u6392\u540d\u51fd\u6578\u7684\u6578\u64da\u5eab\u9700\u8981\u8003\u616e\u591a\u500b\u56e0\u7d20\uff0c\u5305\u62ec\u6578\u64da\u5eab\u985e\u578b\u3001\u6392\u540d\u51fd\u6578\u7684\u652f\u6301\u3001\u6027\u80fd\u548c\u64f4\u5c55\u6027\uff0c\u4ee5\u53ca\u793e\u5340\u652f\u6301\u548c\u6587\u6a94\u3002\u6839\u64da\u60a8\u7684\u5177\u9ad4\u9700\u6c42\uff0c\u9078\u64c7\u6700\u9069\u5408\u7684\u6578\u64da\u5eab\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u61c9\u7528\u7684\u6027\u80fd\u548c\u7528\u6236\u9ad4\u9a57\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u53ef\u9760\u7684\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u6311\u9078\u9069\u5408\u81ea\u5df1\u7684\u6709\u6392\u540d\u51fd\u6578\u7684\u6578\u64da\u5eab\uff0c\u63d0\u5347\u6578\u64da\u67e5\u8a62\u6548\u7387\uff0c\u6eff\u8db3\u7279\u5b9a\u9700\u6c42\uff0c\u52a9\u529b\u696d\u52d9\u767c\u5c55\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-175575","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175575","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=175575"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175575\/revisions"}],"predecessor-version":[{"id":175576,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175575\/revisions\/175576"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=175575"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=175575"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=175575"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}