{"id":66329,"date":"2024-10-14T16:33:17","date_gmt":"2024-10-14T08:33:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/66329\/"},"modified":"2024-10-14T16:33:17","modified_gmt":"2024-10-14T08:33:17","slug":"mssql%e4%b8%ad%e7%9a%84%e8%87%aa%e7%84%b6%e9%80%a3%e6%8e%a5%e4%bd%bf%e7%94%a8%e6%8c%87%e5%8d%97%ef%bc%88mssql%e8%87%aa%e7%84%b6%e9%80%a3%e6%8e%a5%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/66329\/","title":{"rendered":"MSSQL\u4e2d\u7684\u81ea\u7136\u9023\u63a5\u4f7f\u7528\u6307\u5357\uff08mssql\u81ea\u7136\u9023\u63a5\uff09"},"content":{"rendered":"<h1 id=\"mssql%e4%b8%ad%e7%9a%84%e8%87%aa%e7%84%b6%e9%80%a3%e6%8e%a5%e4%bd%bf%e7%94%a8%e6%8c%87%e5%8d%97%ef%bc%88mssql%e8%87%aa%e7%84%b6%e9%80%a3%e6%8e%a5%ef%bc%89-LfvrLjWtSG\">MSSQL\u4e2d\u7684\u81ea\u7136\u9023\u63a5\u4f7f\u7528\u6307\u5357\uff08mssql\u81ea\u7136\u9023\u63a5\uff09<\/h1>\n<p>\u5728\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c\u9023\u63a5\u662f\u67e5\u8a62\u8cc7\u6599\u7684\u95dc\u9375\u3002Microsoft SQL Server\uff08MSSQL\uff09\u63d0\u4f9b\u4e86\u591a\u7a2e\u9023\u63a5\u65b9\u5f0f\uff0c\u5176\u4e2d\u81ea\u7136\u9023\u63a5\uff08Natural Join\uff09\u662f\u4e00\u7a2e\u5e38\u7528\u7684\u9023\u63a5\u65b9\u6cd5\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eMSSQL\u4e2d\u7684\u81ea\u7136\u9023\u63a5\uff0c\u5305\u62ec\u5176\u5b9a\u7fa9\u3001\u4f7f\u7528\u65b9\u6cd5\u53ca\u6ce8\u610f\u4e8b\u9805\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e8%87%aa%e7%84%b6%e9%80%a3%e6%8e%a5%ef%bc%9f-LfvrLjWtSG\">\u4ec0\u9ebc\u662f\u81ea\u7136\u9023\u63a5\uff1f<\/h2>\n<p>\u81ea\u7136\u9023\u63a5\u662f\u4e00\u7a2e\u57fa\u65bc\u5169\u500b\u8868\u4e2d\u540c\u540d\u6b04\u4f4d\u7684\u9023\u63a5\u65b9\u5f0f\u3002\u7576\u4f7f\u7528\u81ea\u7136\u9023\u63a5\u6642\uff0c\u7cfb\u7d71\u6703\u81ea\u52d5\u8b58\u5225\u5169\u500b\u8868\u4e2d\u76f8\u540c\u540d\u7a31\u7684\u6b04\u4f4d\uff0c\u4e26\u6839\u64da\u9019\u4e9b\u6b04\u4f4d\u7684\u503c\u9032\u884c\u9023\u63a5\u3002\u9019\u7a2e\u65b9\u5f0f\u7c21\u5316\u4e86\u67e5\u8a62\u8a9e\u53e5\uff0c\u56e0\u70ba\u4f7f\u7528\u8005\u4e0d\u9700\u8981\u660e\u78ba\u6307\u5b9a\u9023\u63a5\u689d\u4ef6\u3002<\/p>\n<h2 id=\"%e8%87%aa%e7%84%b6%e9%80%a3%e6%8e%a5%e7%9a%84%e8%aa%9e%e6%b3%95-LfvrLjWtSG\">\u81ea\u7136\u9023\u63a5\u7684\u8a9e\u6cd5<\/h2>\n<p>\u5728MSSQL\u4e2d\uff0c\u81ea\u7136\u9023\u63a5\u7684\u8a9e\u6cd5\u76f8\u5c0d\u7c21\u55ae\u3002\u4ee5\u4e0b\u662f\u57fa\u672c\u7684\u8a9e\u6cd5\u7d50\u69cb\uff1a<\/p>\n<pre><code>SELECT * \nFROM \u88681 \nNATURAL JOIN \u88682;<\/code><\/pre>\n<p>\u9019\u88e1\u7684\u201c\u88681\u201d\u548c\u201c\u88682\u201d\u662f\u9700\u8981\u9032\u884c\u9023\u63a5\u7684\u5169\u500b\u8cc7\u6599\u8868\u3002\u67e5\u8a62\u7d50\u679c\u5c07\u5305\u542b\u5169\u500b\u8868\u4e2d\u6240\u6709\u7684\u6b04\u4f4d\uff0c\u4e26\u4e14\u53ea\u6703\u986f\u793a\u90a3\u4e9b\u5728\u5169\u500b\u8868\u4e2d\u5177\u6709\u76f8\u540c\u503c\u7684\u884c\u3002<\/p>\n<h2 id=\"%e8%87%aa%e7%84%b6%e9%80%a3%e6%8e%a5%e7%9a%84%e7%a4%ba%e4%be%8b-LfvrLjWtSG\">\u81ea\u7136\u9023\u63a5\u7684\u793a\u4f8b<\/h2>\n<p>\u5047\u8a2d\u6211\u5011\u6709\u5169\u500b\u8868\uff1a<strong>\u5b78\u751f<\/strong>\u548c<strong>\u6210\u7e3e<\/strong>\u3002<\/p>\n<ul>\n<li><strong>\u5b78\u751f<\/strong>\u8868\uff1a<\/li>\n<ul>\n<li>\u5b78\u751fID<\/li>\n<li>\u59d3\u540d<\/li>\n<\/ul>\n<li><strong>\u6210\u7e3e<\/strong>\u8868\uff1a<\/li>\n<ul>\n<li>\u5b78\u751fID<\/li>\n<li>\u79d1\u76ee<\/li>\n<li>\u5206\u6578<\/li>\n<\/ul>\n<\/ul>\n<p>\u5982\u679c\u6211\u5011\u60f3\u8981\u67e5\u8a62\u6240\u6709\u5b78\u751f\u53ca\u5176\u5c0d\u61c9\u7684\u6210\u7e3e\uff0c\u53ef\u4ee5\u4f7f\u7528\u81ea\u7136\u9023\u63a5\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre><code>SELECT * \nFROM \u5b78\u751f \nNATURAL JOIN \u6210\u7e3e;<\/code><\/pre>\n<p>\u9019\u6a23\u7684\u67e5\u8a62\u5c07\u8fd4\u56de\u6240\u6709\u5b78\u751f\u53ca\u5176\u6210\u7e3e\uff0c\u4e26\u4e14\u53ea\u986f\u793a\u90a3\u4e9b\u5728\u5169\u500b\u8868\u4e2d\u90fd\u6709\u7684\u5b78\u751fID\u3002<\/p>\n<h2 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id=\"%e7%b5%90%e8%ab%96-LfvrLjWtSG\">\u7d50\u8ad6<\/h2>\n<p>\u81ea\u7136\u9023\u63a5\u662f\u4e00\u7a2e\u65b9\u4fbf\u7684\u8cc7\u6599\u67e5\u8a62\u65b9\u5f0f\uff0c\u7279\u5225\u9069\u5408\u65bc\u7c21\u55ae\u7684\u8cc7\u6599\u8868\u9023\u63a5\u3002\u7136\u800c\uff0c\u5728\u4f7f\u7528\u6642\u9700\u8b39\u614e\u8003\u91cf\u6b04\u4f4d\u540d\u7a31\u7684\u885d\u7a81\u53ca\u67e5\u8a62\u6027\u80fd\u7b49\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u66f4\u9ad8\u9748\u6d3b\u6027\u548c\u63a7\u5236\u7684\u60c5\u6cc1\uff0c\u5efa\u8b70\u4f7f\u7528\u660e\u78ba\u7684\u9023\u63a5\u689d\u4ef6\u3002<\/p>\n<p>\u5982\u9700\u9032\u4e00\u6b65\u4e86\u89e3MSSQL\u53ca\u5176\u76f8\u95dc\u6280\u8853\uff0c\u60a8\u53ef\u4ee5\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u4f86\u642d\u5efa\u60a8\u7684\u8cc7\u6599\u5eab\u74b0\u5883\uff0c\u4eab\u53d7\u7a69\u5b9a\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u914d\u7f6e\u9078\u64c7\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22MSSQL\u4e2d\u7684\u81ea\u7136\u8fde\u63a5\u4f7f\u7528\u6307\u5357\uff0c\u4e86\u89e3\u5982\u4f55\u6709\u6548\u5730\u5408\u5e76\u8868\u6570\u636e\uff0c\u63d0\u5347\u67e5\u8be2\u6548\u7387\u4e0e\u51c6\u786e\u6027\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-66329","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66329","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=66329"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66329\/revisions"}],"predecessor-version":[{"id":66330,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66329\/revisions\/66330"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=66329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=66329"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=66329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}