{"id":195169,"date":"2024-11-13T12:47:20","date_gmt":"2024-11-13T04:47:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/195169\/"},"modified":"2024-11-13T12:47:21","modified_gmt":"2024-11-13T04:47:21","slug":"%e5%84%aa%e5%8c%96%e6%9f%a5%e8%a9%a2%e6%95%88%e7%8e%87%ef%bc%8c%e5%bf%ab%e9%80%9f%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a-sql-server%e6%95%b8%e6%93%9a%e5%ba%ab%e6%9f%a5%e8%a9%a2%e6%99%82","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/195169\/","title":{"rendered":"\u512a\u5316\u67e5\u8a62\u6548\u7387\uff0c\u5feb\u901f\u67e5\u8a62\u6578\u64da\u2014\u2014SQL Server\u6578\u64da\u5eab\u67e5\u8a62\u6642\u9593\u7684\u63a2\u7a76 (sqlserver \u67e5\u8a62\u6578\u64da\u5eab\u6642\u9593)"},"content":{"rendered":"<h1 id=\"%e5%84%aa%e5%8c%96%e6%9f%a5%e8%a9%a2%e6%95%88%e7%8e%87%ef%bc%8c%e5%bf%ab%e9%80%9f%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a-sql-server%e6%95%b8%e6%93%9a%e5%ba%ab%e6%9f%a5%e8%a9%a2%e6%99%82-qVlHzAXILY\">\u512a\u5316\u67e5\u8a62\u6548\u7387\uff0c\u5feb\u901f\u67e5\u8a62\u6578\u64da\u2014\u2014SQL Server\u6578\u64da\u5eab\u67e5\u8a62\u6642\u9593\u7684\u63a2\u7a76<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u67e5\u8a62\u6548\u7387\u5c0d\u65bc\u4f01\u696d\u7684\u904b\u71df\u81f3\u95dc\u91cd\u8981\u3002SQL Server\u4f5c\u70ba\u4e00\u500b\u6d41\u884c\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u5de5\u5177\u548c\u6280\u8853\u4f86\u512a\u5316\u67e5\u8a62\u6027\u80fd\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u63d0\u9ad8SQL Server\u7684\u67e5\u8a62\u6548\u7387\uff0c\u4e26\u5206\u6790\u5f71\u97ff\u67e5\u8a62\u6642\u9593\u7684\u56e0\u7d20\u3002<\/p>\n<h2 id=\"%e6%9f%a5%e8%a9%a2%e6%80%a7%e8%83%bd%e7%9a%84%e5%bd%b1%e9%9f%bf%e5%9b%a0%e7%b4%a0-qVlHzAXILY\">\u67e5\u8a62\u6027\u80fd\u7684\u5f71\u97ff\u56e0\u7d20<\/h2>\n<p>\u5728SQL Server\u4e2d\uff0c\u67e5\u8a62\u6027\u80fd\u53d7\u5230\u591a\u7a2e\u56e0\u7d20\u7684\u5f71\u97ff\uff0c\u5305\u62ec\u4f46\u4e0d\u9650\u65bc\uff1a<\/p>\n<ul>\n<li><strong>\u7d22\u5f15\u7684\u4f7f\u7528\uff1a<\/strong>\u7d22\u5f15\u662f\u63d0\u9ad8\u67e5\u8a62\u901f\u5ea6\u7684\u95dc\u9375\u3002\u9069\u7576\u7684\u7d22\u5f15\u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u67e5\u8a62\u6240\u9700\u7684\u6642\u9593\u3002\u4f7f\u7528\u4e0d\u7576\u7684\u7d22\u5f15\u6216\u7f3a\u4e4f\u7d22\u5f15\u90fd\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u3002<\/li>\n<li><strong>\u67e5\u8a62\u7684\u7d50\u69cb\uff1a<\/strong>\u67e5\u8a62\u7684\u5beb\u6cd5\u76f4\u63a5\u5f71\u97ff\u57f7\u884c\u6548\u7387\u3002\u8907\u96dc\u7684\u67e5\u8a62\u53ef\u80fd\u9700\u8981\u66f4\u591a\u7684\u8a08\u7b97\u8cc7\u6e90\uff0c\u5f9e\u800c\u5ef6\u9577\u67e5\u8a62\u6642\u9593\u3002<\/li>\n<li><strong>\u6578\u64da\u91cf\uff1a<\/strong>\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u52a0\uff0c\u67e5\u8a62\u7684\u57f7\u884c\u6642\u9593\u4e5f\u6703\u76f8\u61c9\u589e\u52a0\u3002\u9019\u8981\u6c42\u6578\u64da\u5eab\u7ba1\u7406\u8005\u5b9a\u671f\u9032\u884c\u6578\u64da\u6e05\u7406\u548c\u6b78\u6a94\u3002<\/li>\n<li><strong>\u786c\u9ad4\u8cc7\u6e90\uff1a<\/strong>\u4f3a\u670d\u5668\u7684CPU\u3001\u5167\u5b58\u548c\u5b58\u5132\u901f\u5ea6\u7b49\u786c\u9ad4\u8cc7\u6e90\u4e5f\u6703\u5f71\u97ff\u67e5\u8a62\u6027\u80fd\u3002\u8cc7\u6e90\u4e0d\u8db3\u6703\u5c0e\u81f4\u67e5\u8a62\u5ef6\u9072\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%84%aa%e5%8c%96%e6%9f%a5%e8%a9%a2%e7%9a%84%e7%ad%96%e7%95%a5-qVlHzAXILY\">\u512a\u5316\u67e5\u8a62\u7684\u7b56\u7565<\/h2>\n<p>\u70ba\u4e86\u63d0\u9ad8SQL Server\u7684\u67e5\u8a62\u6548\u7387\uff0c\u53ef\u4ee5\u63a1\u53d6\u4ee5\u4e0b\u5e7e\u7a2e\u7b56\u7565\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8%e7%b4%a2%e5%bc%95-qVlHzAXILY\">1. \u4f7f\u7528\u7d22\u5f15<\/h3>\n<p>\u7d22\u5f15\u662f\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u7684\u6700\u6709\u6548\u5de5\u5177\u4e4b\u4e00\u3002\u6839\u64da\u67e5\u8a62\u7684\u7279\u9ede\uff0c\u9078\u64c7\u5408\u9069\u7684\u7d22\u5f15\u985e\u578b\uff08\u5982\u805a\u96c6\u7d22\u5f15\u548c\u975e\u805a\u96c6\u7d22\u5f15\uff09\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u901f\u5ea6\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>CREATE INDEX idx_customer_name ON Customers (Name);<\/code><\/pre>\n<p>\u9019\u689d\u8a9e\u53e5\u5c07\u5728Customers\u8868\u7684Name\u5217\u4e0a\u5275\u5efa\u4e00\u500b\u7d22\u5f15\uff0c\u5f9e\u800c\u52a0\u5feb\u57fa\u65bc\u59d3\u540d\u7684\u67e5\u8a62\u3002<\/p>\n<h3 id=\"2-%e7%b0%a1%e5%8c%96%e6%9f%a5%e8%a9%a2-qVlHzAXILY\">2. \u7c21\u5316\u67e5\u8a62<\/h3>\n<p>\u7c21\u5316\u67e5\u8a62\u7d50\u69cb\u53ef\u4ee5\u6e1b\u5c11SQL Server\u7684\u8a08\u7b97\u8ca0\u64d4\u3002\u907f\u514d\u4f7f\u7528\u904e\u591a\u7684JOIN\u64cd\u4f5c\uff0c\u4e26\u8003\u616e\u4f7f\u7528\u5b50\u67e5\u8a62\u6216CTE\uff08\u516c\u7528\u8868\u8868\u9054\u5f0f\uff09\u4f86\u63d0\u9ad8\u53ef\u8b80\u6027\u548c\u6027\u80fd\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>WITH RecentOrders AS (\n    SELECT * FROM Orders WHERE OrderDate &gt; '2023-01-01'\n)\nSELECT * FROM RecentOrders WHERE CustomerID = 1;<\/code><\/pre>\n<h3 id=\"3-%e5%ae%9a%e6%9c%9f%e7%b6%ad%e8%ad%b7%e6%95%b8%e6%93%9a%e5%ba%ab-qVlHzAXILY\">3. \u5b9a\u671f\u7dad\u8b77\u6578\u64da\u5eab<\/h3>\n<p>\u5b9a\u671f\u9032\u884c\u6578\u64da\u5eab\u7dad\u8b77\uff0c\u5982\u91cd\u5efa\u7d22\u5f15\u548c\u66f4\u65b0\u7d71\u8a08\u4fe1\u606f\uff0c\u53ef\u4ee5\u4fdd\u6301\u67e5\u8a62\u6027\u80fd\u7684\u7a69\u5b9a\u3002\u9019\u4e9b\u64cd\u4f5c\u53ef\u4ee5\u6e05\u9664\u788e\u7247\uff0c\u4e26\u78ba\u4fdd\u67e5\u8a62\u8a08\u5283\u7684\u6700\u4f73\u5316\u3002<\/p>\n<pre><code>ALTER INDEX ALL ON Customers REBUILD;<\/code><\/pre>\n<h3 id=\"4-%e4%bd%bf%e7%94%a8%e6%9f%a5%e8%a9%a2%e8%a8%88%e5%8a%83%e5%88%86%e6%9e%90-qVlHzAXILY\">4. \u4f7f\u7528\u67e5\u8a62\u8a08\u5283\u5206\u6790<\/h3>\n<p>SQL Server\u63d0\u4f9b\u4e86\u67e5\u8a62\u8a08\u5283\u5206\u6790\u5de5\u5177\uff0c\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u7406\u89e3\u67e5\u8a62\u7684\u57f7\u884c\u904e\u7a0b\u3002\u901a\u904e\u5206\u6790\u67e5\u8a62\u8a08\u5283\uff0c\u53ef\u4ee5\u627e\u51fa\u6027\u80fd\u74f6\u9838\u4e26\u9032\u884c\u91dd\u5c0d\u6027\u7684\u512a\u5316\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-qVlHzAXILY\">\u7d50\u8ad6<\/h2>\n<p>\u512a\u5316SQL Server\u7684\u67e5\u8a62\u6548\u7387\u662f\u4e00\u500b\u6301\u7e8c\u7684\u904e\u7a0b\uff0c\u6d89\u53ca\u5230\u7d22\u5f15\u7684\u4f7f\u7528\u3001\u67e5\u8a62\u7d50\u69cb\u7684\u7c21\u5316\u3001\u6578\u64da\u5eab\u7684\u5b9a\u671f\u7dad\u8b77\u4ee5\u53ca\u67e5\u8a62\u8a08\u5283\u7684\u5206\u6790\u3002\u901a\u904e\u9019\u4e9b\u65b9\u6cd5\uff0c\u4f01\u696d\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6578\u64da\u67e5\u8a62\u7684\u901f\u5ea6\uff0c\u5f9e\u800c\u63d0\u5347\u6574\u9ad4\u696d\u52d9\u6548\u7387\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc\u65bc\u5982\u4f55\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\u7684\u4fe1\u606f\uff0c\u60a8\u53ef\u4ee5\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\uff0c\u63a2\u7d22\u6211\u5011\u7684<a href=\"https:\/\/server.hk\">VPS<\/a>\u89e3\u6c7a\u65b9\u6848\uff0c\u9019\u4e9b\u89e3\u6c7a\u65b9\u6848\u5c08\u70ba\u6eff\u8db3\u5404\u7a2e\u696d\u52d9\u9700\u6c42\u800c\u8a2d\u8a08\uff0c\u4e26\u63d0\u4f9b\u7a69\u5b9a\u7684\u6027\u80fd\u548c\u53ef\u9760\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u512a\u5316SQL Server\u67e5\u8a62\u6548\u7387\uff0c\u5feb\u901f\u67e5\u8a62\u6578\u64da\uff0c\u63d0\u5347\u6578\u64da\u5eab\u6027\u80fd\uff0c\u7e2e\u77ed\u67e5\u8a62\u6642\u9593\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-195169","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195169","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=195169"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195169\/revisions"}],"predecessor-version":[{"id":195170,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195169\/revisions\/195170"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=195169"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=195169"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=195169"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}