{"id":188994,"date":"2024-11-12T03:38:21","date_gmt":"2024-11-11T19:38:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/188994\/"},"modified":"2024-11-12T03:38:22","modified_gmt":"2024-11-11T19:38:22","slug":"%e6%8f%90%e9%ab%98sql-server%e6%95%b8%e6%93%9a%e8%99%95%e7%90%86%e6%95%88%e7%8e%87%e7%94%a8%e5%8f%af%e7%94%a8%e7%b4%a2%e5%bc%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/188994\/","title":{"rendered":"\u63d0\u9ad8SQL Server\u6578\u64da\u8655\u7406\u6548\u7387\u7528\u53ef\u7528\u7d22\u5f15"},"content":{"rendered":"<h1 id=\"%e6%8f%90%e9%ab%98sql-server%e6%95%b8%e6%93%9a%e8%99%95%e7%90%86%e6%95%88%e7%8e%87%e7%94%a8%e5%8f%af%e7%94%a8%e7%b4%a2%e5%bc%95-iTNWCgqKrU\">\u63d0\u9ad8SQL Server\u6578\u64da\u8655\u7406\u6548\u7387\u7528\u53ef\u7528\u7d22\u5f15<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u5c0d\u65bc\u4f01\u696d\u7684\u904b\u71df\u81f3\u95dc\u91cd\u8981\u3002SQL 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id=\"%e5%a6%82%e4%bd%95%e8%a8%ad%e8%a8%88%e6%9c%89%e6%95%88%e7%9a%84%e7%b4%a2%e5%bc%95-iTNWCgqKrU\">\u5982\u4f55\u8a2d\u8a08\u6709\u6548\u7684\u7d22\u5f15<\/h2>\n<p>\u8a2d\u8a08\u6709\u6548\u7684\u7d22\u5f15\u9700\u8981\u8003\u616e\u591a\u500b\u56e0\u7d20\uff0c\u5305\u62ec\u67e5\u8a62\u6a21\u5f0f\u3001\u6578\u64da\u5206\u4f48\u548c\u66f4\u65b0\u983b\u7387\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6700\u4f73\u5be6\u8e10\uff1a<\/p>\n<h3 id=\"1-%e5%88%86%e6%9e%90%e6%9f%a5%e8%a9%a2%e6%80%a7%e8%83%bd-iTNWCgqKrU\">1. \u5206\u6790\u67e5\u8a62\u6027\u80fd<\/h3>\n<p>\u4f7f\u7528SQL Server\u7684\u57f7\u884c\u8a08\u5283\u529f\u80fd\u4f86\u5206\u6790\u67e5\u8a62\u6027\u80fd\uff0c\u627e\u51fa\u54ea\u4e9b\u67e5\u8a62\u9700\u8981\u512a\u5316\u3002\u57f7\u884c\u8a08\u5283\u53ef\u4ee5\u986f\u793a\u67e5\u8a62\u7684\u57f7\u884c\u8def\u5f91\uff0c\u5e6b\u52a9\u8b58\u5225\u7f3a\u5c11\u7684\u7d22\u5f15\u3002<\/p>\n<h3 id=\"2-%e9%81%a9%e7%95%b6%e9%81%b8%e6%93%87%e7%b4%a2%e5%bc%95%e5%88%97-iTNWCgqKrU\">2. \u9069\u7576\u9078\u64c7\u7d22\u5f15\u5217<\/h3>\n<p>\u9078\u64c7\u7d22\u5f15\u5217\u6642\uff0c\u61c9\u8003\u616e\u67e5\u8a62\u4e2d\u7d93\u5e38\u4f7f\u7528\u7684\u5217\u3002\u901a\u5e38\uff0c\u5c07\u7d93\u5e38\u51fa\u73fe\u5728WHERE\u5b50\u53e5\u3001JOIN\u689d\u4ef6\u548cORDER BY\u5b50\u53e5\u4e2d\u7684\u5217\u8a2d\u7f6e\u70ba\u7d22\u5f15\u5217\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002<\/p>\n<h3 id=\"3-%e9%81%bf%e5%85%8d%e9%81%8e%e5%a4%9a%e7%9a%84%e7%b4%a2%e5%bc%95-iTNWCgqKrU\">3. \u907f\u514d\u904e\u591a\u7684\u7d22\u5f15<\/h3>\n<p>\u96d6\u7136\u7d22\u5f15\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u4f46\u904e\u591a\u7684\u7d22\u5f15\u6703\u5f71\u97ff\u6578\u64da\u7684\u63d2\u5165\u3001\u66f4\u65b0\u548c\u522a\u9664\u64cd\u4f5c\u7684\u6027\u80fd\u3002\u56e0\u6b64\uff0c\u61c9\u6839\u64da\u5be6\u969b\u9700\u6c42\u5408\u7406\u8a2d\u7f6e\u7d22\u5f15\u6578\u91cf\u3002<\/p>\n<h3 id=\"4-%e5%ae%9a%e6%9c%9f%e9%87%8d%e5%bb%ba%e5%92%8c%e9%87%8d%e7%b5%84%e7%b4%a2%e5%bc%95-iTNWCgqKrU\">4. \u5b9a\u671f\u91cd\u5efa\u548c\u91cd\u7d44\u7d22\u5f15<\/h3>\n<p>\u96a8\u8457\u6578\u64da\u7684\u589e\u9577\u548c\u8b8a\u5316\uff0c\u7d22\u5f15\u53ef\u80fd\u6703\u8b8a\u5f97\u788e\u7247\u5316\u3002\u5b9a\u671f\u91cd\u5efa\u548c\u91cd\u7d44\u7d22\u5f15\u53ef\u4ee5\u4fdd\u6301\u7d22\u5f15\u7684\u6027\u80fd\uff0c\u78ba\u4fdd\u67e5\u8a62\u7684\u9ad8\u6548\u57f7\u884c\u3002<\/p>\n<h2 id=\"%e7%a4%ba%e4%be%8b%ef%bc%9a%e5%89%b5%e5%bb%ba%e7%b4%a2%e5%bc%95-iTNWCgqKrU\">\u793a\u4f8b\uff1a\u5275\u5efa\u7d22\u5f15<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u5275\u5efa\u975e\u805a\u96c6\u7d22\u5f15\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>CREATE NONCLUSTERED INDEX IX_Employee_LastName\nON Employees (LastName);<\/code><\/pre>\n<p>\u9019\u500b\u7d22\u5f15\u5c07\u63d0\u9ad8\u5c0dEmployees\u8868\u4e2dLastName\u5217\u7684\u67e5\u8a62\u6027\u80fd\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-iTNWCgqKrU\">\u7d50\u8ad6<\/h2>\n<p>\u901a\u904e\u5408\u7406\u7684\u7d22\u5f15\u8a2d\u8a08\uff0cSQL Server\u7684\u6578\u64da\u8655\u7406\u6548\u7387\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u3002\u4e86\u89e3\u4e0d\u540c\u985e\u578b\u7684\u7d22\u5f15\u53ca\u5176\u9069\u7528\u5834\u666f\uff0c\u4e26\u6839\u64da\u5be6\u969b\u9700\u6c42\u9032\u884c\u7d22\u5f15\u7684\u5275\u5efa\u548c\u7dad\u8b77\uff0c\u662f\u6bcf\u4f4d\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u5fc5\u9808\u638c\u63e1\u7684\u6280\u80fd\u3002\u6709\u6548\u7684\u7d22\u5f15\u4e0d\u50c5\u80fd\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u9084\u80fd\u512a\u5316\u6574\u9ad4\u6578\u64da\u5eab\u7684\u904b\u884c\u6548\u7387\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u548c\u512a\u5316\u7684\u8cc7\u8a0a\uff0c\u60a8\u53ef\u4ee5\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 <a href=\"https:\/\/server.hk\">Server.HK<\/a>\uff0c\u63a2\u7d22\u6211\u5011\u63d0\u4f9b\u7684\u5404\u7a2e <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u548c\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63d0\u5347SQL Server\u6578\u64da\u8655\u7406\u6548\u7387\uff0c\u900f\u904e\u6709\u6548\u7684\u7d22\u5f15\u8a2d\u8a08\uff0c\u512a\u5316\u67e5\u8a62\u6027\u80fd\uff0c\u6e1b\u5c11\u97ff\u61c9\u6642\u9593\uff0c\u589e\u5f37\u6578\u64da\u7ba1\u7406\u80fd\u529b\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-188994","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188994","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=188994"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188994\/revisions"}],"predecessor-version":[{"id":188995,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/188994\/revisions\/188995"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=188994"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=188994"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=188994"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}