{"id":66245,"date":"2024-10-14T15:47:21","date_gmt":"2024-10-14T07:47:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/66245\/"},"modified":"2024-10-14T15:47:21","modified_gmt":"2024-10-14T07:47:21","slug":"mssql%e6%8f%90%e5%8d%87%e6%9f%a5%e8%a9%a2%e6%95%88%e7%8e%87%ef%bc%8c%e6%8f%90%e5%8d%87%e7%b3%bb%e7%b5%b1%e6%80%a7%e8%83%bd%ef%bc%88mssql%e6%9f%a5%e8%a9%a2%e6%80%a7%e8%83%bd%e5%84%aa%e5%8c%96%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/66245\/","title":{"rendered":"MSSQL\u63d0\u5347\u67e5\u8a62\u6548\u7387\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\uff08mssql\u67e5\u8a62\u6027\u80fd\u512a\u5316\uff09"},"content":{"rendered":"<h1 id=\"mssql%e6%8f%90%e5%8d%87%e6%9f%a5%e8%a9%a2%e6%95%88%e7%8e%87%ef%bc%8c%e6%8f%90%e5%8d%87%e7%b3%bb%e7%b5%b1%e6%80%a7%e8%83%bd%ef%bc%88mssql%e6%9f%a5%e8%a9%a2%e6%80%a7%e8%83%bd%e5%84%aa%e5%8c%96%ef%bc%89-QOMgqOGHeO\">MSSQL\u63d0\u5347\u67e5\u8a62\u6548\u7387\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\uff08MSSQL\u67e5\u8a62\u6027\u80fd\u512a\u5316\uff09<\/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\u3002Microsoft SQL Server\uff08MSSQL\uff09\u4f5c\u70ba\u4e00\u6b3e\u5ee3\u6cdb\u4f7f\u7528\u7684\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5176\u67e5\u8a62\u6027\u80fd\u7684\u512a\u5316\u76f4\u63a5\u5f71\u97ff\u5230\u6574\u9ad4\u7cfb\u7d71\u7684\u6548\u7387\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u4e00\u4e9b\u6709\u6548\u7684MSSQL\u67e5\u8a62\u6027\u80fd\u512a\u5316\u7b56\u7565\uff0c\u5e6b\u52a9\u7528\u6236\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u3002<\/p>\n<h2 id=\"1-%e4%bd%bf%e7%94%a8%e7%b4%a2%e5%bc%95%e4%be%86%e5%8a%a0%e9%80%9f%e6%9f%a5%e8%a9%a2-QOMgqOGHeO\">1. \u4f7f\u7528\u7d22\u5f15\u4f86\u52a0\u901f\u67e5\u8a62<\/h2>\n<p>\u7d22\u5f15\u662f\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u7684\u95dc\u9375\u5de5\u5177\u3002\u901a\u904e\u5728\u8868\u7684\u7279\u5b9a\u5217\u4e0a\u5275\u5efa\u7d22\u5f15\uff0c\u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u67e5\u8a62\u6240\u9700\u7684\u6642\u9593\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u7d22\u5f15\u7684\u6700\u4f73\u5be6\u8e10\uff1a<\/p>\n<ul>\n<li><strong>\u9078\u64c7\u5408\u9069\u7684\u5217\uff1a<\/strong>\u901a\u5e38\uff0c\u7d93\u5e38\u7528\u65bc\u67e5\u8a62\u689d\u4ef6\uff08\u5982WHERE\u5b50\u53e5\uff09\u6216\u6392\u5e8f\uff08\u5982ORDER BY\u5b50\u53e5\uff09\u7684\u5217\u61c9\u8a72\u8003\u616e\u5efa\u7acb\u7d22\u5f15\u3002<\/li>\n<li><strong>\u907f\u514d\u904e\u591a\u7d22\u5f15\uff1a<\/strong>\u96d6\u7136\u7d22\u5f15\u53ef\u4ee5\u52a0\u901f\u67e5\u8a62\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<\/li>\n<li><strong>\u4f7f\u7528\u8986\u84cb\u7d22\u5f15\uff1a<\/strong>\u8986\u84cb\u7d22\u5f15\u53ef\u4ee5\u5305\u542b\u67e5\u8a62\u6240\u9700\u7684\u6240\u6709\u5217\uff0c\u5f9e\u800c\u907f\u514d\u67e5\u8a62\u6642\u7684\u56de\u8868\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<pre><code>-- \u5275\u5efa\u7d22\u5f15\u7684\u7bc4\u4f8b\nCREATE INDEX idx_customer_name ON Customers (Name);\n<\/code><\/pre>\n<h2 id=\"2-%e6%9f%a5%e8%a9%a2%e5%84%aa%e5%8c%96-QOMgqOGHeO\">2. \u67e5\u8a62\u512a\u5316<\/h2>\n<p>\u64b0\u5beb\u9ad8\u6548\u7684\u67e5\u8a62\u8a9e\u53e5\u662f\u63d0\u5347\u6027\u80fd\u7684\u53e6\u4e00\u500b\u91cd\u8981\u65b9\u9762\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u67e5\u8a62\u512a\u5316\u7684\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>\u907f\u514dSELECT *\uff1a<\/strong>\u4f7f\u7528SELECT *\u6703\u5c0e\u81f4\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u50b3\u8f38\uff0c\u61c9\u8a72\u660e\u78ba\u6307\u5b9a\u6240\u9700\u7684\u5217\u3002<\/li>\n<li><strong>\u4f7f\u7528JOIN\u800c\u975e\u5b50\u67e5\u8a62\uff1a<\/strong>\u5728\u8a31\u591a\u60c5\u6cc1\u4e0b\uff0c\u4f7f\u7528JOIN\u53ef\u4ee5\u6bd4\u5b50\u67e5\u8a62\u66f4\u6709\u6548\u7387\u3002<\/li>\n<li><strong>\u5229\u7528WITH\u5b50\u53e5\uff1a<\/strong>\u4f7f\u7528CTE\uff08\u516c\u5171\u8868\u8868\u9054\u5f0f\uff09\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u7684\u53ef\u8b80\u6027\u548c\u6027\u80fd\u3002<\/li>\n<\/ul>\n<pre><code>-- \u4f7f\u7528JOIN\u7684\u7bc4\u4f8b\nSELECT c.Name, o.OrderDate\nFROM Customers c\nJOIN Orders o ON c.CustomerID = o.CustomerID;\n<\/code><\/pre>\n<h2 id=\"3-%e7%9b%a3%e6%8e%a7%e5%92%8c%e5%88%86%e6%9e%90%e6%9f%a5%e8%a9%a2%e6%80%a7%e8%83%bd-QOMgqOGHeO\">3. \u76e3\u63a7\u548c\u5206\u6790\u67e5\u8a62\u6027\u80fd<\/h2>\n<p>\u5b9a\u671f\u76e3\u63a7\u548c\u5206\u6790\u67e5\u8a62\u6027\u80fd\u662f\u78ba\u4fdd\u7cfb\u7d71\u9ad8\u6548\u904b\u884c\u7684\u5fc5\u8981\u6b65\u9a5f\u3002MSSQL\u63d0\u4f9b\u4e86\u591a\u7a2e\u5de5\u5177\u4f86\u5e6b\u52a9\u7528\u6236\u9032\u884c\u6027\u80fd\u5206\u6790\uff1a<\/p>\n<ul>\n<li><strong>SQL Server Profiler\uff1a<\/strong>\u53ef\u4ee5\u6355\u7372\u548c\u5206\u6790SQL Server\u7684\u4e8b\u4ef6\uff0c\u5e6b\u52a9\u8b58\u5225\u6027\u80fd\u74f6\u9838\u3002<\/li>\n<li><strong>\u57f7\u884c\u8a08\u5283\uff1a<\/strong>\u901a\u904e\u67e5\u770b\u67e5\u8a62\u7684\u57f7\u884c\u8a08\u5283\uff0c\u53ef\u4ee5\u4e86\u89e3\u67e5\u8a62\u7684\u57f7\u884c\u904e\u7a0b\uff0c\u4e26\u627e\u51fa\u6f5b\u5728\u7684\u512a\u5316\u9ede\u3002<\/li>\n<li><strong>\u52d5\u614b\u7ba1\u7406\u8996\u5716\uff1a<\/strong>\u4f7f\u7528DMV\uff08Dynamic Management Views\uff09\u53ef\u4ee5\u7372\u53d6\u6709\u95dc\u7cfb\u7d71\u6027\u80fd\u7684\u5373\u6642\u4fe1\u606f\u3002<\/li>\n<\/ul>\n<pre><code>-- \u67e5\u8a62\u57f7\u884c\u8a08\u5283\u7684\u7bc4\u4f8b\nSET SHOWPLAN_XML ON;\nGO\nSELECT * FROM Customers WHERE Country = 'USA';\nGO\nSET SHOWPLAN_XML OFF;\n<\/code><\/pre>\n<h2 id=\"4-%e5%ae%9a%e6%9c%9f%e7%b6%ad%e8%ad%b7%e6%95%b8%e6%93%9a%e5%ba%ab-QOMgqOGHeO\">4. \u5b9a\u671f\u7dad\u8b77\u6578\u64da\u5eab<\/h2>\n<p>\u6578\u64da\u5eab\u7684\u5b9a\u671f\u7dad\u8b77\u5c0d\u65bc\u4fdd\u6301\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u7dad\u8b77\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li><strong>\u91cd\u5efa\u548c\u91cd\u7d44\u7d22\u5f15\uff1a<\/strong>\u96a8\u8457\u6578\u64da\u7684\u589e\u9577\uff0c\u7d22\u5f15\u53ef\u80fd\u6703\u8b8a\u5f97\u788e\u7247\u5316\uff0c\u5b9a\u671f\u91cd\u5efa\u6216\u91cd\u7d44\u7d22\u5f15\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002<\/li>\n<li><strong>\u66f4\u65b0\u7d71\u8a08\u4fe1\u606f\uff1a<\/strong>\u7d71\u8a08\u4fe1\u606f\u5e6b\u52a9SQL Server\u9078\u64c7\u6700\u4f73\u7684\u67e5\u8a62\u57f7\u884c\u8a08\u5283\uff0c\u5b9a\u671f\u66f4\u65b0\u7d71\u8a08\u4fe1\u606f\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002<\/li>\n<li><strong>\u6e05\u7406\u4e0d\u5fc5\u8981\u7684\u6578\u64da\uff1a<\/strong>\u5b9a\u671f\u522a\u9664\u904e\u671f\u6216\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u53ef\u4ee5\u6e1b\u5c11\u6578\u64da\u5eab\u7684\u5927\u5c0f\uff0c\u5f9e\u800c\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<\/ul>\n<pre><code>-- \u66f4\u65b0\u7d71\u8a08\u4fe1\u606f\u7684\u7bc4\u4f8b\nUPDATE STATISTICS Customers;\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-QOMgqOGHeO\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u4ee5\u4e0a\u5e7e\u7a2e\u65b9\u6cd5\uff0cMSSQL\u7684\u67e5\u8a62\u6027\u80fd\u53ef\u4ee5\u5f97\u5230\u986f\u8457\u63d0\u5347\uff0c\u5f9e\u800c\u63d0\u9ad8\u6574\u9ad4\u7cfb\u7d71\u7684\u6027\u80fd\u3002\u7121\u8ad6\u662f\u901a\u904e\u7d22\u5f15\u7684\u4f7f\u7528\u3001\u67e5\u8a62\u7684\u512a\u5316\uff0c\u9084\u662f\u5b9a\u671f\u7684\u7dad\u8b77\uff0c\u9019\u4e9b\u7b56\u7565\u90fd\u80fd\u5e6b\u52a9\u7528\u6236\u66f4\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u5eab\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u4f01\u696d\u4f86\u8aaa\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\uff0c\u9019\u6a23\u624d\u80fd\u78ba\u4fdd\u7cfb\u7d71\u5728\u9ad8\u8ca0\u8f09\u4e0b\u4f9d\u7136\u7a69\u5b9a\u904b\u884c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63d0\u5347MSSQL\u67e5\u8a62\u6548\u7387\uff0c\u512a\u5316\u7cfb\u7d71\u6027\u80fd\uff0c\u638c\u63e1\u67e5\u8a62\u6027\u80fd\u512a\u5316\u6280\u5de7\uff0c\u8b93\u6578\u64da\u8655\u7406\u66f4\u5feb\u901f\u9ad8\u6548\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-66245","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66245","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=66245"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66245\/revisions"}],"predecessor-version":[{"id":66246,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66245\/revisions\/66246"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=66245"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=66245"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=66245"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}