{"id":64939,"date":"2024-10-14T12:52:20","date_gmt":"2024-10-14T04:52:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/64939\/"},"modified":"2024-10-14T12:52:20","modified_gmt":"2024-10-14T04:52:20","slug":"mssql%e6%9f%a5%e8%a9%a2%e6%95%88%e7%8e%87%e5%84%aa%e5%8c%96%e5%af%a6%e6%88%b0%ef%bc%88mssql%e8%aa%9e%e5%8f%a5%e6%9f%a5%e8%a9%a2%e6%95%88%e7%8e%87%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/64939\/","title":{"rendered":"MSSQL\u67e5\u8a62\u6548\u7387\u512a\u5316\u5be6\u6230\uff08mssql\u8a9e\u53e5\u67e5\u8a62\u6548\u7387\uff09"},"content":{"rendered":"<h1 id=\"mssql%e6%9f%a5%e8%a9%a2%e6%95%88%e7%8e%87%e5%84%aa%e5%8c%96%e5%af%a6%e6%88%b0%ef%bc%88mssql%e8%aa%9e%e5%8f%a5%e6%9f%a5%e8%a9%a2%e6%95%88%e7%8e%87%ef%bc%89-DOzOFsPBsX\">MSSQL\u67e5\u8a62\u6548\u7387\u512a\u5316\u5be6\u6230\uff08mssql\u8a9e\u53e5\u67e5\u8a62\u6548\u7387\uff09<\/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\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002\u7279\u5225\u662f\u5c0d\u65bc\u4f7f\u7528Microsoft SQL Server\uff08MSSQL\uff09\u7684\u958b\u767c\u8005\u548c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u4f86\u8aaa\uff0c\u512a\u5316\u67e5\u8a62\u6548\u7387\u4e0d\u50c5\u80fd\u63d0\u9ad8\u7cfb\u7d71\u7684\u97ff\u61c9\u901f\u5ea6\uff0c\u9084\u80fd\u964d\u4f4e\u8cc7\u6e90\u6d88\u8017\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u4e00\u4e9b\u5be6\u7528\u7684MSSQL\u67e5\u8a62\u6548\u7387\u512a\u5316\u6280\u5de7\uff0c\u5e6b\u52a9\u60a8\u63d0\u5347\u67e5\u8a62\u6027\u80fd\u3002<\/p>\n<h2 id=\"1-%e4%bd%bf%e7%94%a8%e7%b4%a2%e5%bc%95-DOzOFsPBsX\">1. \u4f7f\u7528\u7d22\u5f15<\/h2>\n<p>\u7d22\u5f15\u662f\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u7684\u95dc\u9375\u5de5\u5177\u3002\u901a\u904e\u5728\u8868\u7684\u7279\u5b9a\u5217\u4e0a\u5275\u5efa\u7d22\u5f15\uff0c\u53ef\u4ee5\u986f\u8457\u52a0\u5feb\u67e5\u8a62\u901f\u5ea6\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u7d22\u5f15\u7684\u4f7f\u7528\u5efa\u8b70\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\uff08WHERE\u5b50\u53e5\uff09\u3001\u6392\u5e8f\uff08ORDER BY\uff09\u6216\u5206\u7d44\uff08GROUP BY\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\u5feb\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\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u56de\u8868\u67e5\u8a62\uff0c\u63d0\u9ad8\u6548\u7387\u3002<\/li>\n<\/ul>\n<h2 id=\"2-%e6%9f%a5%e8%a9%a2%e9%87%8d%e5%af%ab-DOzOFsPBsX\">2. \u67e5\u8a62\u91cd\u5beb<\/h2>\n<p>\u6709\u6642\u5019\uff0c\u7c21\u55ae\u7684\u67e5\u8a62\u91cd\u5beb\u5c31\u80fd\u986f\u8457\u63d0\u9ad8\u6027\u80fd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u91cd\u5beb\u67e5\u8a62\u7684\u6280\u5de7\uff1a<\/p>\n<ul>\n<li><strong>\u907f\u514dSELECT *\uff1a<\/strong>\u4f7f\u7528SELECT *\u6703\u8fd4\u56de\u6240\u6709\u5217\uff0c\u9019\u53ef\u80fd\u5c0e\u81f4\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u50b3\u8f38\u3002\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\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u4f7f\u7528JOIN\u53ef\u4ee5\u6bd4\u5b50\u67e5\u8a62\u66f4\u9ad8\u6548\uff0c\u56e0\u70baJOIN\u53ef\u4ee5\u5229\u7528\u7d22\u5f15\u3002<\/li>\n<li><strong>\u4f7f\u7528UNION ALL\u800c\u975eUNION\uff1a<\/strong>\u5982\u679c\u4e0d\u9700\u8981\u53bb\u91cd\uff0c\u4f7f\u7528UNION ALL\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\uff0c\u56e0\u70ba\u5b83\u4e0d\u9700\u8981\u984d\u5916\u7684\u53bb\u91cd\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n<h2 id=\"3-%e6%9f%a5%e8%a9%a2%e8%a8%88%e5%8a%83%e5%88%86%e6%9e%90-DOzOFsPBsX\">3. \u67e5\u8a62\u8a08\u5283\u5206\u6790<\/h2>\n<p>\u4f7f\u7528SQL Server\u7684\u67e5\u8a62\u8a08\u5283\u5206\u6790\u5de5\u5177\uff0c\u53ef\u4ee5\u5e6b\u52a9\u60a8\u4e86\u89e3\u67e5\u8a62\u7684\u57f7\u884c\u904e\u7a0b\uff0c\u5f9e\u800c\u627e\u51fa\u6027\u80fd\u74f6\u9838\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\u4f86\u5206\u6790\u67e5\u8a62\u8a08\u5283\uff1a<\/p>\n<ul>\n<li><strong>\u986f\u793a\u5be6\u969b\u57f7\u884c\u8a08\u5283\uff1a<\/strong>\u5728SQL Server Management Studio\u4e2d\uff0c\u53ef\u4ee5\u9078\u64c7\u201c\u986f\u793a\u5be6\u969b\u57f7\u884c\u8a08\u5283\u201d\u4f86\u67e5\u770b\u67e5\u8a62\u7684\u57f7\u884c\u904e\u7a0b\u3002<\/li>\n<li><strong>\u4f7f\u7528SQL Server Profiler\uff1a<\/strong>\u9019\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u5e6b\u52a9\u60a8\u6355\u7372\u548c\u5206\u6790\u67e5\u8a62\u7684\u6027\u80fd\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"4-%e5%8f%83%e6%95%b8%e5%8c%96%e6%9f%a5%e8%a9%a2-DOzOFsPBsX\">4. \u53c3\u6578\u5316\u67e5\u8a62<\/h2>\n<p>\u53c3\u6578\u5316\u67e5\u8a62\u4e0d\u50c5\u53ef\u4ee5\u63d0\u9ad8\u5b89\u5168\u6027\uff0c\u9084\u80fd\u63d0\u9ad8\u6027\u80fd\u3002\u4f7f\u7528\u53c3\u6578\u5316\u67e5\u8a62\u53ef\u4ee5\u4f7fSQL Server\u91cd\u7528\u67e5\u8a62\u8a08\u5283\uff0c\u5f9e\u800c\u6e1b\u5c11\u7de8\u8b6f\u6642\u9593\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u53c3\u6578\u5316\u67e5\u8a62\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nDECLARE @CustomerID INT\nSET @CustomerID = 1\n\nSELECT * FROM Customers WHERE CustomerID = @CustomerID\n<\/code><\/pre>\n<h2 id=\"5-%e5%ae%9a%e6%9c%9f%e7%b6%ad%e8%ad%b7%e6%95%b8%e6%93%9a%e5%ba%ab-DOzOFsPBsX\">5. \u5b9a\u671f\u7dad\u8b77\u6578\u64da\u5eab<\/h2>\n<p>\u5b9a\u671f\u7dad\u8b77\u6578\u64da\u5eab\u662f\u78ba\u4fdd\u67e5\u8a62\u6027\u80fd\u7684\u53e6\u4e00\u500b\u91cd\u8981\u65b9\u9762\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\u751f\u6210\u6700\u4f73\u7684\u67e5\u8a62\u8a08\u5283\uff0c\u5b9a\u671f\u66f4\u65b0\u7d71\u8a08\u4fe1\u606f\u53ef\u4ee5\u78ba\u4fdd\u67e5\u8a62\u7684\u9ad8\u6548\u57f7\u884c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-DOzOFsPBsX\">\u7e3d\u7d50<\/h2>\n<p>\u512a\u5316MSSQL\u67e5\u8a62\u6548\u7387\u662f\u4e00\u500b\u6301\u7e8c\u7684\u904e\u7a0b\uff0c\u6d89\u53ca\u7d22\u5f15\u7684\u4f7f\u7528\u3001\u67e5\u8a62\u7684\u91cd\u5beb\u3001\u67e5\u8a62\u8a08\u5283\u7684\u5206\u6790\u3001\u53c3\u6578\u5316\u67e5\u8a62\u4ee5\u53ca\u5b9a\u671f\u7684\u6578\u64da\u5eab\u7dad\u8b77\u3002\u901a\u904e\u9019\u4e9b\u5be6\u7528\u7684\u6280\u5de7\uff0c\u60a8\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u5f9e\u800c\u63d0\u5347\u6574\u9ad4\u7cfb\u7d71\u7684\u6548\u7387\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u9700\u6c42\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a>\uff0c\u4ee5\u7372\u5f97\u66f4\u597d\u7684\u6027\u80fd\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63d0\u5347MSSQL\u67e5\u8a62\u6548\u7387\u7684\u5be6\u6230\u6280\u5de7\uff0c\u6df1\u5165\u5206\u6790\u8a9e\u53e5\u512a\u5316\u65b9\u6cd5\uff0c\u52a9\u4f60\u5feb\u901f\u7372\u53d6\u6578\u64da\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\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-64939","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/64939","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=64939"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/64939\/revisions"}],"predecessor-version":[{"id":64940,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/64939\/revisions\/64940"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=64939"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=64939"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=64939"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}