{"id":162251,"date":"2024-11-04T13:28:17","date_gmt":"2024-11-04T05:28:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/162251\/"},"modified":"2024-11-04T13:28:18","modified_gmt":"2024-11-04T05:28:18","slug":"%e6%b8%9b%e5%b0%91-sql-server-%e6%95%b8%e6%93%9a%e5%ba%ab%e6%ad%bb%e9%8e%96%e7%9a%84%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/162251\/","title":{"rendered":"\u6e1b\u5c11 SQL Server \u6578\u64da\u5eab\u6b7b\u9396\u7684\u65b9\u6cd5"},"content":{"rendered":"<h1 id=\"%e6%b8%9b%e5%b0%91-sql-server-%e6%95%b8%e6%93%9a%e5%ba%ab%e6%ad%bb%e9%8e%96%e7%9a%84%e6%96%b9%e6%b3%95-lzqHQctyvr\">\u6e1b\u5c11 SQL Server \u6578\u64da\u5eab\u6b7b\u9396\u7684\u65b9\u6cd5<\/h1>\n<p>\u5728\u73fe\u4ee3\u7684\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u6b7b\u9396\u662f\u4e00\u500b\u5e38\u898b\u4e14\u68d8\u624b\u7684\u554f\u984c\u3002\u7576\u5169\u500b\u6216\u591a\u500b\u9032\u7a0b\u4e92\u76f8\u7b49\u5f85\u5c0d\u65b9\u91cb\u653e\u8cc7\u6e90\u6642\uff0c\u5c31\u6703\u767c\u751f\u6b7b\u9396\uff0c\u9019\u6703\u5c0e\u81f4\u7cfb\u7d71\u6027\u80fd\u4e0b\u964d\uff0c\u751a\u81f3\u5f71\u97ff\u61c9\u7528\u7a0b\u5e8f\u7684\u53ef\u7528\u6027\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u4e00\u4e9b\u6709\u6548\u7684\u65b9\u6cd5\u4f86\u6e1b\u5c11 SQL Server \u6578\u64da\u5eab\u4e2d\u7684\u6b7b\u9396\u60c5\u6cc1\u3002<\/p>\n<h2 id=\"%e7%90%86%e8%a7%a3%e6%ad%bb%e9%8e%96%e7%9a%84%e5%8e%9f%e5%9b%a0-lzqHQctyvr\">\u7406\u89e3\u6b7b\u9396\u7684\u539f\u56e0<\/h2>\n<p>\u5728\u6df1\u5165\u63a2\u8a0e\u89e3\u6c7a\u65b9\u6848\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u4e86\u89e3\u6b7b\u9396\u7684\u6839\u672c\u539f\u56e0\u3002\u6b7b\u9396\u901a\u5e38\u767c\u751f\u5728\u4ee5\u4e0b\u60c5\u6cc1\uff1a<\/p>\n<ul>\n<li>\u591a\u500b\u9032\u7a0b\u540c\u6642\u8acb\u6c42\u76f8\u540c\u7684\u8cc7\u6e90\u3002<\/li>\n<li>\u9032\u7a0b\u4ee5\u4e0d\u540c\u7684\u9806\u5e8f\u8acb\u6c42\u8cc7\u6e90\u3002<\/li>\n<li>\u9577\u6642\u9593\u6301\u6709\u9396\u5b9a\uff0c\u5c0e\u81f4\u5176\u4ed6\u9032\u7a0b\u7121\u6cd5\u7372\u53d6\u6240\u9700\u7684\u8cc7\u6e90\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%b8%9b%e5%b0%91%e6%ad%bb%e9%8e%96%e7%9a%84%e7%ad%96%e7%95%a5-lzqHQctyvr\">\u6e1b\u5c11\u6b7b\u9396\u7684\u7b56\u7565<\/h2>\n<h3 id=\"1-%e5%84%aa%e5%8c%96%e6%9f%a5%e8%a9%a2-lzqHQctyvr\">1. \u512a\u5316\u67e5\u8a62<\/h3>\n<p>\u67e5\u8a62\u7684\u6548\u7387\u76f4\u63a5\u5f71\u97ff\u5230\u9396\u7684\u6301\u6709\u6642\u9593\u3002\u901a\u904e\u512a\u5316\u67e5\u8a62\uff0c\u53ef\u4ee5\u6e1b\u5c11\u9396\u7684\u6301\u6709\u6642\u9593\uff0c\u5f9e\u800c\u964d\u4f4e\u6b7b\u9396\u7684\u98a8\u96aa\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u512a\u5316\u67e5\u8a62\u7684\u5efa\u8b70\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528\u7d22\u5f15\uff1a\u78ba\u4fdd\u67e5\u8a62\u4f7f\u7528\u9069\u7576\u7684\u7d22\u5f15\uff0c\u4ee5\u63d0\u9ad8\u67e5\u8a62\u901f\u5ea6\u3002<\/li>\n<li>\u907f\u514d\u4f7f\u7528 SELECT *\uff1a\u53ea\u9078\u64c7\u9700\u8981\u7684\u5217\uff0c\u6e1b\u5c11\u6578\u64da\u7684\u50b3\u8f38\u91cf\u3002<\/li>\n<li>\u4f7f\u7528 WHERE \u5b50\u53e5\uff1a\u9650\u5236\u67e5\u8a62\u8fd4\u56de\u7684\u884c\u6578\uff0c\u6e1b\u5c11\u9396\u5b9a\u7684\u7bc4\u570d\u3002<\/li>\n<\/ul>\n<h3 id=\"2-%e6%8e%a7%e5%88%b6%e9%8e%96%e7%9a%84%e7%af%84%e5%9c%8d-lzqHQctyvr\">2. \u63a7\u5236\u9396\u7684\u7bc4\u570d<\/h3>\n<p>\u5728 SQL Server \u4e2d\uff0c\u9396\u7684\u7bc4\u570d\u8d8a\u5927\uff0c\u6b7b\u9396\u7684\u53ef\u80fd\u6027\u5c31\u8d8a\u9ad8\u3002\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u65b9\u5f0f\u63a7\u5236\u9396\u7684\u7bc4\u570d\uff1a<\/p>\n<ul>\n<li>\u4f7f\u7528\u884c\u7d1a\u9396\uff1a\u76e1\u91cf\u4f7f\u7528\u884c\u7d1a\u9396\u800c\u4e0d\u662f\u9801\u7d1a\u9396\u6216\u8868\u7d1a\u9396\u3002<\/li>\n<li>\u6e1b\u5c11\u4e8b\u52d9\u7684\u7bc4\u570d\uff1a\u5c07\u4e8b\u52d9\u7684\u7bc4\u570d\u7e2e\u5c0f\u5230\u5fc5\u8981\u7684\u6700\u5c0f\u7bc4\u570d\uff0c\u4e26\u76e1\u5feb\u63d0\u4ea4\u4e8b\u52d9\u3002<\/li>\n<\/ul>\n<h3 id=\"3-%e9%81%bf%e5%85%8d%e9%95%b7%e6%99%82%e9%96%93%e6%8c%81%e6%9c%89%e9%8e%96%e5%ae%9a-lzqHQctyvr\">3. \u907f\u514d\u9577\u6642\u9593\u6301\u6709\u9396\u5b9a<\/h3>\n<p>\u9577\u6642\u9593\u6301\u6709\u9396\u5b9a\u662f\u5c0e\u81f4\u6b7b\u9396\u7684\u4e3b\u8981\u539f\u56e0\u4e4b\u4e00\u3002\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u65b9\u6cd5\u4f86\u6e1b\u5c11\u9396\u5b9a\u7684\u6301\u6709\u6642\u9593\uff1a<\/p>\n<ul>\n<li>\u5c07\u6578\u64da\u5eab\u64cd\u4f5c\u5206\u89e3\u70ba\u8f03\u5c0f\u7684\u4e8b\u52d9\uff1a\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u6bcf\u500b\u4e8b\u52d9\u6301\u6709\u9396\u7684\u6642\u9593\u3002<\/li>\n<li>\u4f7f\u7528\u975e\u9396\u5b9a\u8b80\u53d6\uff1a\u4f8b\u5982\uff0c\u4f7f\u7528 READ UNCOMMITTED \u9694\u96e2\u7d1a\u5225\u4f86\u907f\u514d\u9396\u5b9a\u3002<\/li>\n<\/ul>\n<h3 id=\"4-%e7%9b%a3%e6%8e%a7%e5%92%8c%e5%88%86%e6%9e%90%e6%ad%bb%e9%8e%96-lzqHQctyvr\">4. \u76e3\u63a7\u548c\u5206\u6790\u6b7b\u9396<\/h3>\n<p>\u5b9a\u671f\u76e3\u63a7\u548c\u5206\u6790\u6b7b\u9396\u4e8b\u4ef6\u53ef\u4ee5\u5e6b\u52a9\u8b58\u5225\u554f\u984c\u7684\u6839\u6e90\u3002SQL Server \u63d0\u4f9b\u4e86\u591a\u7a2e\u5de5\u5177\u4f86\u76e3\u63a7\u6b7b\u9396\uff0c\u4f8b\u5982 SQL Server Profiler \u548c Extended Events\u3002\u901a\u904e\u9019\u4e9b\u5de5\u5177\uff0c\u53ef\u4ee5\u7372\u53d6\u6b7b\u9396\u5716\uff0c\u5206\u6790\u6b7b\u9396\u7684\u539f\u56e0\uff0c\u4e26\u91dd\u5c0d\u6027\u5730\u9032\u884c\u512a\u5316\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-lzqHQctyvr\">\u7d50\u8ad6<\/h2>\n<p>\u6b7b\u9396\u662f SQL Server \u6578\u64da\u5eab\u7ba1\u7406\u4e2d\u7684\u4e00\u500b\u6311\u6230\uff0c\u4f46\u901a\u904e\u512a\u5316\u67e5\u8a62\u3001\u63a7\u5236\u9396\u7684\u7bc4\u570d\u3001\u907f\u514d\u9577\u6642\u9593\u6301\u6709\u9396\u5b9a\u4ee5\u53ca\u76e3\u63a7\u6b7b\u9396\u4e8b\u4ef6\uff0c\u53ef\u4ee5\u6709\u6548\u6e1b\u5c11\u6b7b\u9396\u7684\u767c\u751f\u3002\u9019\u4e0d\u50c5\u80fd\u63d0\u9ad8\u7cfb\u7d71\u7684\u6027\u80fd\uff0c\u9084\u80fd\u63d0\u5347\u7528\u6236\u7684\u9ad4\u9a57\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u61c9\u7528\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u5728\u9999\u6e2f\u5e02\u5834\u4e2d\u4fdd\u6301\u7af6\u722d\u529b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u6709\u6548\u6e1b\u5c11 SQL Server \u6578\u64da\u5eab\u6b7b\u9396\u7684\u65b9\u6cd5\uff0c\u63d0\u5347\u7cfb\u7d71\u6027\u80fd\u8207\u7a69\u5b9a\u6027\uff0c\u78ba\u4fdd\u6578\u64da\u8655\u7406\u7684\u9806\u66a2\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-162251","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162251","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=162251"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162251\/revisions"}],"predecessor-version":[{"id":162252,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/162251\/revisions\/162252"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=162251"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=162251"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=162251"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}