{"id":140352,"date":"2024-10-31T20:30:24","date_gmt":"2024-10-31T12:30:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/140352\/"},"modified":"2024-10-31T20:30:24","modified_gmt":"2024-10-31T12:30:24","slug":"sql-server%e9%8e%96%e4%bd%bf%e7%94%a8%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85%e4%b9%8b%e5%a6%82%e4%bd%95%e9%81%bf%e5%85%8d%e6%ad%bb%e9%8e%96","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/140352\/","title":{"rendered":"SQL Server\u9396\u4f7f\u7528\u6ce8\u610f\u4e8b\u9805\u4e4b\u5982\u4f55\u907f\u514d\u6b7b\u9396"},"content":{"rendered":"<h1 id=\"sql-server%e9%8e%96%e4%bd%bf%e7%94%a8%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85%e4%b9%8b%e5%a6%82%e4%bd%95%e9%81%bf%e5%85%8d%e6%ad%bb%e9%8e%96-hojHtalxRE\">SQL Server\u9396\u4f7f\u7528\u6ce8\u610f\u4e8b\u9805\u4e4b\u5982\u4f55\u907f\u514d\u6b7b\u9396<\/h1>\n<p>\u5728\u8cc7\u6599\u5eab\u7ba1\u7406\u4e2d\uff0c\u9396\u5b9a\u662f\u78ba\u4fdd\u8cc7\u6599\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u7684\u91cd\u8981\u6a5f\u5236\u3002\u7136\u800c\uff0c\u7576\u591a\u500b\u4ea4\u6613\u540c\u6642\u8acb\u6c42\u76f8\u540c\u7684\u8cc7\u6e90\u6642\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u6b7b\u9396\u7684\u60c5\u6cc1\u767c\u751f\u3002\u672c\u6587\u5c07\u63a2\u8a0eSQL Server\u4e2d\u7684\u9396\u5b9a\u6a5f\u5236\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u907f\u514d\u6b7b\u9396\u7684\u5be6\u7528\u5efa\u8b70\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%ad%bb%e9%8e%96%ef%bc%9f-hojHtalxRE\">\u4ec0\u9ebc\u662f\u6b7b\u9396\uff1f<\/h2>\n<p>\u6b7b\u9396\u662f\u6307\u5169\u500b\u6216\u591a\u500b\u4ea4\u6613\u5728\u7b49\u5f85\u5f7c\u6b64\u91cb\u653e\u8cc7\u6e90\u6642\uff0c\u5f62\u6210\u4e86\u4e00\u7a2e\u7121\u6cd5\u89e3\u6c7a\u7684\u5faa\u74b0\u3002\u8209\u4f8b\u4f86\u8aaa\uff0c\u5047\u8a2d\u4ea4\u6613A\u6301\u6709\u8cc7\u6e901\u4e26\u7b49\u5f85\u8cc7\u6e902\uff0c\u800c\u4ea4\u6613B\u6301\u6709\u8cc7\u6e902\u4e26\u7b49\u5f85\u8cc7\u6e901\uff0c\u9019\u6a23\u5c31\u6703\u5c0e\u81f4\u6b7b\u9396\u7684\u767c\u751f\u3002<\/p>\n<h2 id=\"sql-server%e4%b8%ad%e7%9a%84%e9%8e%96%e5%ae%9a%e6%a9%9f%e5%88%b6-hojHtalxRE\">SQL Server\u4e2d\u7684\u9396\u5b9a\u6a5f\u5236<\/h2>\n<p>SQL Server\u4f7f\u7528\u591a\u7a2e\u9396\u5b9a\u985e\u578b\u4f86\u7ba1\u7406\u5c0d\u8cc7\u6599\u7684\u8a2a\u554f\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u5171\u4eab\u9396\uff08S Lock\uff09<\/strong>\uff1a\u5141\u8a31\u591a\u500b\u4ea4\u6613\u540c\u6642\u8b80\u53d6\u8cc7\u6599\uff0c\u4f46\u4e0d\u5141\u8a31\u4fee\u6539\u3002<\/li>\n<li><strong>\u6392\u4ed6\u9396\uff08X Lock\uff09<\/strong>\uff1a\u5141\u8a31\u4ea4\u6613\u4fee\u6539\u8cc7\u6599\uff0c\u4e26\u963b\u6b62\u5176\u4ed6\u4ea4\u6613\u8b80\u53d6\u6216\u4fee\u6539\u8a72\u8cc7\u6599\u3002<\/li>\n<li><strong>\u66f4\u65b0\u9396\uff08U Lock\uff09<\/strong>\uff1a\u7528\u65bc\u9632\u6b62\u6b7b\u9396\u7684\u9396\u5b9a\u985e\u578b\uff0c\u901a\u5e38\u5728\u66f4\u65b0\u64cd\u4f5c\u4e4b\u524d\u7372\u53d6\u3002<\/li>\n<\/ul>\n<p>\u9019\u4e9b\u9396\u5b9a\u985e\u578b\u7684\u4f7f\u7528\u53ef\u4ee5\u6709\u6548\u5730\u9632\u6b62\u8cc7\u6599\u4e0d\u4e00\u81f4\u7684\u60c5\u6cc1\uff0c\u4f46\u4e0d\u7576\u7684\u4f7f\u7528\u53ef\u80fd\u6703\u5c0e\u81f4\u6b7b\u9396\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e9%81%bf%e5%85%8d%e6%ad%bb%e9%8e%96-hojHtalxRE\">\u5982\u4f55\u907f\u514d\u6b7b\u9396<\/h2>\n<h3 id=\"1-%e7%a2%ba%e4%bf%9d%e9%8e%96%e5%ae%9a%e9%a0%86%e5%ba%8f%e4%b8%80%e8%87%b4-hojHtalxRE\">1. \u78ba\u4fdd\u9396\u5b9a\u9806\u5e8f\u4e00\u81f4<\/h3>\n<p>\u5728\u591a\u500b\u4ea4\u6613\u4e2d\uff0c\u78ba\u4fdd\u6240\u6709\u4ea4\u6613\u4ee5\u76f8\u540c\u7684\u9806\u5e8f\u8acb\u6c42\u9396\u5b9a\u8cc7\u6e90\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4ea4\u6613A\u548c\u4ea4\u6613B\u90fd\u9700\u8981\u8a2a\u554f\u8cc7\u6e901\u548c\u8cc7\u6e902\uff0c\u5247\u61c9\u59cb\u7d42\u5148\u8acb\u6c42\u8cc7\u6e901\uff0c\u7136\u5f8c\u8acb\u6c42\u8cc7\u6e902\u3002\u9019\u6a23\u53ef\u4ee5\u907f\u514d\u56e0\u70ba\u4e0d\u540c\u7684\u8acb\u6c42\u9806\u5e8f\u800c\u5c0e\u81f4\u7684\u6b7b\u9396\u3002<\/p>\n<h3 id=\"2-%e6%b8%9b%e5%b0%91%e9%8e%96%e5%ae%9a%e6%8c%81%e6%9c%89%e6%99%82%e9%96%93-hojHtalxRE\">2. \u6e1b\u5c11\u9396\u5b9a\u6301\u6709\u6642\u9593<\/h3>\n<p>\u76e1\u91cf\u6e1b\u5c11\u4ea4\u6613\u4e2d\u6301\u6709\u9396\u5b9a\u7684\u6642\u9593\u3002\u9019\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u65b9\u5f0f\u5be6\u73fe\uff1a<\/p>\n<ul>\n<li>\u5c07\u4ea4\u6613\u7684\u7bc4\u570d\u7e2e\u5c0f\uff0c\u53ea\u5728\u5fc5\u8981\u6642\u7372\u53d6\u9396\u5b9a\u3002<\/li>\n<li>\u907f\u514d\u5728\u4ea4\u6613\u4e2d\u57f7\u884c\u9577\u6642\u9593\u7684\u67e5\u8a62\u6216\u8a08\u7b97\u3002<\/li>\n<li>\u5728\u4ea4\u6613\u4e2d\u76e1\u65e9\u63d0\u4ea4\u6216\u56de\u6efe\u3002<\/li>\n<\/ul>\n<h3 id=\"3-%e4%bd%bf%e7%94%a8%e9%81%a9%e7%95%b6%e7%9a%84%e9%9a%94%e9%9b%a2%e7%b4%9a%e5%88%a5-hojHtalxRE\">3. \u4f7f\u7528\u9069\u7576\u7684\u9694\u96e2\u7d1a\u5225<\/h3>\n<p>SQL Server\u63d0\u4f9b\u4e86\u591a\u7a2e\u9694\u96e2\u7d1a\u5225\uff0c\u6bcf\u7a2e\u7d1a\u5225\u5c0d\u9396\u5b9a\u7684\u5f71\u97ff\u4e0d\u540c\u3002\u9078\u64c7\u9069\u7576\u7684\u9694\u96e2\u7d1a\u5225\u53ef\u4ee5\u6e1b\u5c11\u6b7b\u9396\u7684\u53ef\u80fd\u6027\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u8b80\u53d6\u5df2\u63d0\u4ea4\uff08READ COMMITTED\uff09\u9694\u96e2\u7d1a\u5225\u53ef\u4ee5\u6e1b\u5c11\u5171\u4eab\u9396\u7684\u6301\u6709\u6642\u9593\u3002<\/p>\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-hojHtalxRE\">4. \u76e3\u63a7\u548c\u5206\u6790\u6b7b\u9396<\/h3>\n<p>\u5b9a\u671f\u76e3\u63a7SQL Server\u7684\u6b7b\u9396\u60c5\u6cc1\uff0c\u4e26\u5206\u6790\u6b7b\u9396\u7684\u539f\u56e0\u3002SQL Server\u63d0\u4f9b\u4e86\u6b7b\u9396\u5716\uff08deadlock graph\uff09\u4f86\u5e6b\u52a9\u8b58\u5225\u6b7b\u9396\u7684\u6839\u672c\u539f\u56e0\u3002\u901a\u904e\u5206\u6790\u9019\u4e9b\u5716\u5f62\uff0c\u53ef\u4ee5\u627e\u5230\u89e3\u6c7a\u65b9\u6848\u4f86\u907f\u514d\u672a\u4f86\u7684\u6b7b\u9396\u3002<\/p>\n<h3 id=\"5-%e4%bd%bf%e7%94%a8try-catch%e7%b5%90%e6%a7%8b-hojHtalxRE\">5. \u4f7f\u7528TRY&#8230;CATCH\u7d50\u69cb<\/h3>\n<p>\u5728SQL Server\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528TRY&#8230;CATCH\u7d50\u69cb\u4f86\u6355\u7372\u6b7b\u9396\u932f\u8aa4\uff0c\u4e26\u5728\u6355\u7372\u5230\u6b7b\u9396\u6642\u81ea\u52d5\u91cd\u8a66\u4ea4\u6613\u3002\u9019\u6a23\u53ef\u4ee5\u63d0\u9ad8\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u53ef\u7528\u6027\u3002<\/p>\n<pre><code>\nBEGIN TRY\n    BEGIN TRANSACTION;\n    -- \u57f7\u884c\u8cc7\u6599\u64cd\u4f5c\n    COMMIT TRANSACTION;\nEND TRY\nBEGIN CATCH\n    IF ERROR_NUMBER() = 1205 -- \u6b7b\u9396\u932f\u8aa4\u4ee3\u78bc\n    BEGIN\n        -- \u91cd\u8a66\u908f\u8f2f\n    END\nEND CATCH;\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-hojHtalxRE\">\u7e3d\u7d50<\/h2>\n<p>\u5728SQL Server\u4e2d\uff0c\u6b7b\u9396\u662f\u4e00\u500b\u5e38\u898b\u7684\u554f\u984c\uff0c\u4f46\u901a\u904e\u9075\u5faa\u4e0a\u8ff0\u5efa\u8b70\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u6e1b\u5c11\u5176\u767c\u751f\u7684\u6a5f\u6703\u3002\u78ba\u4fdd\u9396\u5b9a\u9806\u5e8f\u4e00\u81f4\u3001\u6e1b\u5c11\u9396\u5b9a\u6301\u6709\u6642\u9593\u3001\u4f7f\u7528\u9069\u7576\u7684\u9694\u96e2\u7d1a\u5225\u3001\u76e3\u63a7\u6b7b\u9396\u60c5\u6cc1\u4ee5\u53ca\u4f7f\u7528TRY&#8230;CATCH\u7d50\u69cb\u90fd\u662f\u6709\u6548\u7684\u7b56\u7565\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u80fd\u548c\u7a69\u5b9a\u6027\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u6216<a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a>\u89e3\u6c7a\u65b9\u6848\u4e5f\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3SQL Server\u9396\u4f7f\u7528\u6ce8\u610f\u4e8b\u9805\uff0c\u5b78\u7fd2\u5982\u4f55\u907f\u514d\u6b7b\u9396\uff0c\u63d0\u5347\u8cc7\u6599\u5eab\u6548\u80fd\u8207\u7a69\u5b9a\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-140352","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/140352","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=140352"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/140352\/revisions"}],"predecessor-version":[{"id":140353,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/140352\/revisions\/140353"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=140352"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=140352"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=140352"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}