{"id":155339,"date":"2024-11-02T18:43:19","date_gmt":"2024-11-02T10:43:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/155339\/"},"modified":"2024-11-02T18:43:20","modified_gmt":"2024-11-02T10:43:20","slug":"%e7%99%bc%e7%8f%be%e6%95%b8%e6%93%9a%e8%a1%a8%e4%b8%ad%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab%e5%8c%b9%e9%85%8d%e4%b9%8b%e5%af%b6%e8%97%8f%ef%bc%88%e6%95%b8%e6%93%9a%e8%a1%a8%e4%b8%ad%e6%9c%89%e5%8c%b9","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/155339\/","title":{"rendered":"\u767c\u73fe\u6578\u64da\u8868\u4e2d\u7684\u6578\u64da\u5eab\u5339\u914d\u4e4b\u5bf6\u85cf\uff08\u6578\u64da\u8868\u4e2d\u6709\u5339\u914d\u7684\u6578\u64da\u5eab\uff09"},"content":{"rendered":"<h1 id=\"%e7%99%bc%e7%8f%be%e6%95%b8%e6%93%9a%e8%a1%a8%e4%b8%ad%e7%9a%84%e6%95%b8%e6%93%9a%e5%ba%ab%e5%8c%b9%e9%85%8d%e4%b9%8b%e5%af%b6%e8%97%8f-NmHVXsFibR\">\u767c\u73fe\u6578\u64da\u8868\u4e2d\u7684\u6578\u64da\u5eab\u5339\u914d\u4e4b\u5bf6\u85cf<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u7ba1\u7406\u548c\u512a\u5316\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002\u6578\u64da\u8868\u4e2d\u7684\u6578\u64da\u5eab\u5339\u914d\u6280\u8853\uff0c\u80fd\u5920\u5e6b\u52a9\u4f01\u696d\u548c\u958b\u767c\u8005\u66f4\u6709\u6548\u5730\u5229\u7528\u6578\u64da\uff0c\u5f9e\u800c\u63d0\u5347\u696d\u52d9\u6c7a\u7b56\u7684\u6e96\u78ba\u6027\u548c\u6548\u7387\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u6578\u64da\u8868\u4e2d\u7684\u6578\u64da\u5eab\u5339\u914d\u6280\u8853\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\uff0c\u5e6b\u52a9\u8b80\u8005\u66f4\u597d\u5730\u7406\u89e3\u9019\u4e00\u4e3b\u984c\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%95%b8%e6%93%9a%e5%ba%ab%e5%8c%b9%e9%85%8d%ef%bc%9f-NmHVXsFibR\">\u4ec0\u9ebc\u662f\u6578\u64da\u5eab\u5339\u914d\uff1f<\/h2>\n<p>\u6578\u64da\u5eab\u5339\u914d\u662f\u6307\u5728\u4e0d\u540c\u6578\u64da\u8868\u4e4b\u9593\u5c0b\u627e\u76f8\u4f3c\u6216\u76f8\u540c\u7684\u6578\u64da\u8a18\u9304\u7684\u904e\u7a0b\u3002\u9019\u4e00\u904e\u7a0b\u901a\u5e38\u6d89\u53ca\u5230\u6578\u64da\u6e05\u7406\u3001\u6a19\u6e96\u5316\u548c\u6bd4\u5c0d\uff0c\u76ee\u7684\u662f\u70ba\u4e86\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u6e96\u78ba\u6027\u3002\u6578\u64da\u5eab\u5339\u914d\u53ef\u4ee5\u61c9\u7528\u65bc\u591a\u7a2e\u5834\u666f\uff0c\u4f8b\u5982\u5ba2\u6236\u8cc7\u6599\u7684\u6574\u5408\u3001\u7522\u54c1\u4fe1\u606f\u7684\u66f4\u65b0\u4ee5\u53ca\u6578\u64da\u5206\u6790\u7b49\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%8c%b9%e9%85%8d%e7%9a%84%e5%b8%b8%e8%a6%8b%e6%96%b9%e6%b3%95-NmHVXsFibR\">\u6578\u64da\u5eab\u5339\u914d\u7684\u5e38\u898b\u65b9\u6cd5<\/h2>\n<p>\u5728\u9032\u884c\u6578\u64da\u5eab\u5339\u914d\u6642\uff0c\u6709\u5e7e\u7a2e\u5e38\u898b\u7684\u65b9\u6cd5\u53ef\u4ee5\u9078\u64c7\uff1a<\/p>\n<ul>\n<li><strong>\u7cbe\u78ba\u5339\u914d\uff1a<\/strong>\u9019\u662f\u6700\u57fa\u672c\u7684\u5339\u914d\u65b9\u6cd5\uff0c\u901a\u904e\u6bd4\u8f03\u6578\u64da\u8868\u4e2d\u7684\u5b57\u6bb5\u503c\u4f86\u5c0b\u627e\u5b8c\u5168\u76f8\u540c\u7684\u8a18\u9304\u3002<\/li>\n<li><strong>\u6a21\u7cca\u5339\u914d\uff1a<\/strong>\u7576\u6578\u64da\u5b58\u5728\u62fc\u5beb\u932f\u8aa4\u6216\u683c\u5f0f\u4e0d\u4e00\u81f4\u6642\uff0c\u6a21\u7cca\u5339\u914d\u53ef\u4ee5\u901a\u904e\u7b97\u6cd5\uff08\u5982Levenshtein\u8ddd\u96e2\uff09\u4f86\u5224\u65b7\u76f8\u4f3c\u6027\u3002<\/li>\n<li><strong>\u57fa\u65bc\u898f\u5247\u7684\u5339\u914d\uff1a<\/strong>\u6839\u64da\u7279\u5b9a\u7684\u696d\u52d9\u898f\u5247\u4f86\u9032\u884c\u5339\u914d\uff0c\u4f8b\u5982\u6839\u64da\u5ba2\u6236\u7684\u5730\u7406\u4f4d\u7f6e\u6216\u8cfc\u8cb7\u6b77\u53f2\u4f86\u9032\u884c\u7be9\u9078\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e5%8c%b9%e9%85%8d%e7%9a%84%e5%af%a6%e7%94%a8%e7%a4%ba%e4%be%8b-NmHVXsFibR\">\u6578\u64da\u5eab\u5339\u914d\u7684\u5be6\u7528\u793a\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528SQL\u9032\u884c\u6578\u64da\u5eab\u5339\u914d\u7684\u7c21\u55ae\u793a\u4f8b\u3002\u5047\u8a2d\u6211\u5011\u6709\u5169\u500b\u6578\u64da\u8868\uff1a<code>customers<\/code>\u548c<code>orders<\/code>\uff0c\u6211\u5011\u5e0c\u671b\u627e\u5230\u6240\u6709\u4e0b\u904e\u8a02\u55ae\u7684\u5ba2\u6236\u3002<\/p>\n<pre><code>SELECT c.customer_id, c.name, o.order_id\nFROM customers c\nJOIN orders o ON c.customer_id = o.customer_id;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u67e5\u8a62\u4e2d\uff0c\u6211\u5011\u4f7f\u7528\u4e86JOIN\u64cd\u4f5c\u4f86\u5339\u914d<code>customers<\/code>\u8868\u548c<code>orders<\/code>\u8868\u4e2d\u7684\u6578\u64da\u3002\u9019\u6a23\uff0c\u6211\u5011\u5c31\u80fd\u5920\u7372\u5f97\u6240\u6709\u4e0b\u904e\u8a02\u55ae\u7684\u5ba2\u6236\u4fe1\u606f\u3002<\/p>\n<h2 id=\"%e6%95%b8%e6%93%9a%e6%b8%85%e7%90%86%e8%88%87%e6%a8%99%e6%ba%96%e5%8c%96%e7%9a%84%e9%87%8d%e8%a6%81%e6%80%a7-NmHVXsFibR\">\u6578\u64da\u6e05\u7406\u8207\u6a19\u6e96\u5316\u7684\u91cd\u8981\u6027<\/h2>\n<p>\u5728\u9032\u884c\u6578\u64da\u5eab\u5339\u914d\u4e4b\u524d\uff0c\u6578\u64da\u6e05\u7406\u548c\u6a19\u6e96\u5316\u662f\u81f3\u95dc\u91cd\u8981\u7684\u6b65\u9a5f\u3002\u9019\u4e9b\u6b65\u9a5f\u53ef\u4ee5\u5e6b\u52a9\u6d88\u9664\u91cd\u8907\u6578\u64da\u3001\u4fee\u6b63\u932f\u8aa4\u4ee5\u53ca\u7d71\u4e00\u6578\u64da\u683c\u5f0f\u3002\u4f8b\u5982\uff0c\u5c0d\u65bc\u5ba2\u6236\u7684\u5730\u5740\u4fe1\u606f\uff0c\u6211\u5011\u9700\u8981\u78ba\u4fdd\u6240\u6709\u5730\u5740\u90fd\u4f7f\u7528\u76f8\u540c\u7684\u683c\u5f0f\uff0c\u4ee5\u4fbf\u9032\u884c\u6e96\u78ba\u7684\u5339\u914d\u3002<\/p>\n<h3 id=\"%e6%95%b8%e6%93%9a%e6%b8%85%e7%90%86%e7%9a%84%e5%b8%b8%e8%a6%8b%e6%8a%80%e8%a1%93-NmHVXsFibR\">\u6578\u64da\u6e05\u7406\u7684\u5e38\u898b\u6280\u8853<\/h3>\n<ul>\n<li><strong>\u53bb\u91cd\uff1a<\/strong>\u522a\u9664\u91cd\u8907\u7684\u8a18\u9304\u3002<\/li>\n<li><strong>\u683c\u5f0f\u5316\uff1a<\/strong>\u7d71\u4e00\u6578\u64da\u683c\u5f0f\uff0c\u4f8b\u5982\u5c07\u6240\u6709\u96fb\u8a71\u865f\u78bc\u8f49\u63db\u70ba\u76f8\u540c\u7684\u683c\u5f0f\u3002<\/li>\n<li><strong>\u586b\u88dc\u7f3a\u5931\u503c\uff1a<\/strong>\u5c0d\u65bc\u7f3a\u5931\u7684\u6578\u64da\u9032\u884c\u586b\u88dc\uff0c\u4ee5\u63d0\u9ad8\u6578\u64da\u7684\u5b8c\u6574\u6027\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-NmHVXsFibR\">\u7d50\u8ad6<\/h2>\n<p>\u6578\u64da\u5eab\u5339\u914d\u662f\u4e00\u9805\u91cd\u8981\u7684\u6280\u8853\uff0c\u80fd\u5920\u5e6b\u52a9\u4f01\u696d\u66f4\u597d\u5730\u7ba1\u7406\u548c\u5229\u7528\u6578\u64da\u3002\u901a\u904e\u7cbe\u78ba\u5339\u914d\u3001\u6a21\u7cca\u5339\u914d\u548c\u57fa\u65bc\u898f\u5247\u7684\u5339\u914d\u65b9\u6cd5\uff0c\u4f01\u696d\u53ef\u4ee5\u63d0\u9ad8\u6578\u64da\u7684\u6e96\u78ba\u6027\u548c\u4e00\u81f4\u6027\u3002\u6b64\u5916\uff0c\u6578\u64da\u6e05\u7406\u548c\u6a19\u6e96\u5316\u4e5f\u662f\u6210\u529f\u9032\u884c\u6578\u64da\u5eab\u5339\u914d\u7684\u95dc\u9375\u6b65\u9a5f\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u638c\u63e1\u9019\u4e9b\u6280\u8853\u5c07\u5c0d\u4f01\u696d\u7684\u6578\u64da\u7ba1\u7406\u548c\u6c7a\u7b56\u904e\u7a0b\u7522\u751f\u6df1\u9060\u7684\u5f71\u97ff\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u60a8\u7684\u696d\u52d9\u4e2d\u5be6\u65bd\u9019\u4e9b\u6280\u8853\u6709\u8208\u8da3\uff0c\u6216\u8005\u60f3\u4e86\u89e3\u66f4\u591a\u95dc\u65bc<code><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/code>\u548c<code><a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a><\/code>\u7684\u8cc7\u8a0a\uff0c\u8acb\u96a8\u6642\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u6578\u64da\u8868\u4e2d\u7684\u6578\u64da\u5eab\u5339\u914d\uff0c\u63ed\u793a\u96b1\u85cf\u7684\u5bf6\u85cf\uff0c\u63d0\u5347\u6578\u64da\u5206\u6790\u6548\u7387\uff0c\u52a9\u529b\u6c7a\u7b56\u5236\u5b9a\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-155339","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/155339","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=155339"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/155339\/revisions"}],"predecessor-version":[{"id":155340,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/155339\/revisions\/155340"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=155339"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=155339"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=155339"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}