{"id":137543,"date":"2024-10-31T12:33:24","date_gmt":"2024-10-31T04:33:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/137543\/"},"modified":"2024-10-31T12:33:24","modified_gmt":"2024-10-31T04:33:24","slug":"sql-server-s%e9%8e%96%ef%bc%9a%e8%a7%a3%e9%8e%96%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ae%89%e5%85%a8%e4%b9%8b%e8%b7%af%ef%bc%88sqlserver-s%e9%8e%96%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/137543\/","title":{"rendered":"SQL Server S\u9396\uff1a\u89e3\u9396\u6578\u64da\u5eab\u5b89\u5168\u4e4b\u8def\uff08sqlserver s\u9396\uff09"},"content":{"rendered":"<h1 id=\"sql-server-s%e9%8e%96%ef%bc%9a%e8%a7%a3%e9%8e%96%e6%95%b8%e6%93%9a%e5%ba%ab%e5%ae%89%e5%85%a8%e4%b9%8b%e8%b7%af-qsarfhIklb\">SQL Server S\u9396\uff1a\u89e3\u9396\u6578\u64da\u5eab\u5b89\u5168\u4e4b\u8def<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u5b89\u5168\u6027\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002SQL Server\u4f5c\u70ba\u4e00\u500b\u5ee3\u6cdb\u4f7f\u7528\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u5176\u5b89\u5168\u6027\u8a2d\u8a08\u4e2d\u5305\u542b\u4e86\u591a\u7a2e\u9396\u5b9a\u6a5f\u5236\uff0c\u5176\u4e2d\u4e4b\u4e00\u4fbf\u662fS\u9396\uff08\u5171\u4eab\u9396\uff09\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eSQL Server\u4e2d\u7684S\u9396\uff0c\u4e26\u5206\u6790\u5176\u5728\u6578\u64da\u5eab\u5b89\u5168\u4e2d\u7684\u91cd\u8981\u6027\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%afs%e9%8e%96%ef%bc%9f-qsarfhIklb\">\u4ec0\u9ebc\u662fS\u9396\uff1f<\/h2>\n<p>S\u9396\uff0c\u5373\u5171\u4eab\u9396\uff08Shared Lock\uff09\uff0c\u662fSQL Server\u7528\u4f86\u63a7\u5236\u5c0d\u6578\u64da\u7684\u4e26\u767c\u8a2a\u554f\u7684\u4e00\u7a2e\u9396\u5b9a\u6a5f\u5236\u3002\u7576\u4e00\u500b\u4e8b\u52d9\u9700\u8981\u8b80\u53d6\u6578\u64da\u6642\uff0cSQL Server\u6703\u5c0d\u8a72\u6578\u64da\u52a0\u4e0aS\u9396\uff0c\u9019\u6a23\u5176\u4ed6\u4e8b\u52d9\u5c31\u7121\u6cd5\u5c0d\u8a72\u6578\u64da\u9032\u884c\u4fee\u6539\uff0c\u5f9e\u800c\u4fdd\u8b49\u4e86\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u3002<\/p>\n<h3 id=\"s%e9%8e%96%e7%9a%84%e5%b7%a5%e4%bd%9c%e5%8e%9f%e7%90%86-qsarfhIklb\">S\u9396\u7684\u5de5\u4f5c\u539f\u7406<\/h3>\n<p>\u7576\u4e00\u500b\u4e8b\u52d9\u5c0d\u67d0\u500b\u6578\u64da\u884c\u52a0\u4e0aS\u9396\u6642\uff0c\u5176\u4ed6\u4e8b\u52d9\u4ecd\u7136\u53ef\u4ee5\u5c0d\u8a72\u6578\u64da\u884c\u52a0\u4e0aS\u9396\uff0c\u4f46\u7121\u6cd5\u52a0\u4e0aX\u9396\uff08\u6392\u4ed6\u9396\uff09\u3002\u9019\u610f\u5473\u8457\u591a\u500b\u4e8b\u52d9\u53ef\u4ee5\u540c\u6642\u8b80\u53d6\u540c\u4e00\u6578\u64da\uff0c\u4f46\u53ea\u6709\u4e00\u500b\u4e8b\u52d9\u53ef\u4ee5\u5c0d\u5176\u9032\u884c\u4fee\u6539\u3002\u9019\u7a2e\u9396\u5b9a\u6a5f\u5236\u6709\u6548\u5730\u9632\u6b62\u4e86\u8b80\u53d6\u904e\u7a0b\u4e2d\u7684\u6578\u64da\u4e0d\u4e00\u81f4\u6027\u554f\u984c\u3002<\/p>\n<pre><code>BEGIN TRANSACTION;\nSELECT * FROM Employees WITH (NOLOCK);\n-- \u9019\u88e1\u6703\u52a0\u4e0aS\u9396\nCOMMIT TRANSACTION;<\/code><\/pre>\n<h2 id=\"s%e9%8e%96%e7%9a%84%e5%84%aa%e5%8b%a2-qsarfhIklb\">S\u9396\u7684\u512a\u52e2<\/h2>\n<ul>\n<li><strong>\u6578\u64da\u4e00\u81f4\u6027\uff1a<\/strong>\u901a\u904e\u9632\u6b62\u540c\u6642\u4fee\u6539\uff0cS\u9396\u78ba\u4fdd\u4e86\u6578\u64da\u7684\u4e00\u81f4\u6027\uff0c\u907f\u514d\u4e86\u8b80\u53d6\u5230\u4e0d\u6b63\u78ba\u6216\u4e0d\u5b8c\u6574\u7684\u6578\u64da\u3002<\/li>\n<li><strong>\u63d0\u9ad8\u4e26\u767c\u6027\uff1a<\/strong>\u591a\u500b\u4e8b\u52d9\u53ef\u4ee5\u540c\u6642\u8b80\u53d6\u6578\u64da\uff0c\u9019\u63d0\u9ad8\u4e86\u7cfb\u7d71\u7684\u4e26\u767c\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u8b80\u53d6\u64cd\u4f5c\u9060\u591a\u65bc\u5beb\u5165\u64cd\u4f5c\u7684\u60c5\u6cc1\u4e0b\u3002<\/li>\n<li><strong>\u7c21\u5316\u4e8b\u52d9\u7ba1\u7406\uff1a<\/strong>\u4f7f\u7528S\u9396\u53ef\u4ee5\u7c21\u5316\u4e8b\u52d9\u7684\u7ba1\u7406\uff0c\u56e0\u70ba\u958b\u767c\u8005\u4e0d\u9700\u8981\u64d4\u5fc3\u5728\u8b80\u53d6\u6578\u64da\u6642\u6703\u5c0e\u81f4\u6578\u64da\u7684\u8b8a\u66f4\u3002<\/li>\n<\/ul>\n<h3 id=\"s%e9%8e%96%e7%9a%84%e9%99%90%e5%88%b6-qsarfhIklb\">S\u9396\u7684\u9650\u5236<\/h3>\n<p>\u5118\u7ba1S\u9396\u6709\u5176\u512a\u52e2\uff0c\u4f46\u4e5f\u5b58\u5728\u4e00\u4e9b\u9650\u5236\u3002\u9996\u5148\uff0c\u7576\u4e00\u500b\u4e8b\u52d9\u6301\u6709S\u9396\u6642\uff0c\u5176\u4ed6\u4e8b\u52d9\u7121\u6cd5\u5c0d\u8a72\u6578\u64da\u52a0\u4e0aX\u9396\uff0c\u9019\u53ef\u80fd\u5c0e\u81f4\u67d0\u4e9b\u4e8b\u52d9\u7684\u7b49\u5f85\u6642\u9593\u904e\u9577\uff0c\u5f9e\u800c\u5f71\u97ff\u7cfb\u7d71\u7684\u6027\u80fd\u3002\u6b64\u5916\uff0c\u904e\u591a\u7684S\u9396\u4e5f\u53ef\u80fd\u5c0e\u81f4\u6b7b\u9396\u7684\u60c5\u6cc1\uff0c\u9019\u662f\u9700\u8981\u7279\u5225\u6ce8\u610f\u7684\u554f\u984c\u3002<\/p>\n<h2 id=\"%e5%a6%82%e4%bd%95%e7%ae%a1%e7%90%86s%e9%8e%96-qsarfhIklb\">\u5982\u4f55\u7ba1\u7406S\u9396<\/h2>\n<p>\u70ba\u4e86\u6709\u6548\u7ba1\u7406S\u9396\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u63a1\u53d6\u4ee5\u4e0b\u5e7e\u7a2e\u7b56\u7565\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u9069\u7576\u7684\u9694\u96e2\u7d1a\u5225\uff1a<\/strong>\u6839\u64da\u61c9\u7528\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u9694\u96e2\u7d1a\u5225\uff0c\u4f8b\u5982\u4f7f\u7528READ COMMITTED\u4f86\u6e1b\u5c11\u4e0d\u5fc5\u8981\u7684\u9396\u5b9a\u3002<\/li>\n<li><strong>\u512a\u5316\u67e5\u8a62\uff1a<\/strong>\u901a\u904e\u512a\u5316SQL\u67e5\u8a62\u4f86\u6e1b\u5c11\u9396\u5b9a\u7684\u6301\u6709\u6642\u9593\uff0c\u5f9e\u800c\u63d0\u9ad8\u7cfb\u7d71\u7684\u6574\u9ad4\u6027\u80fd\u3002<\/li>\n<li><strong>\u76e3\u63a7\u9396\u5b9a\u60c5\u6cc1\uff1a<\/strong>\u4f7f\u7528SQL Server\u7684\u52d5\u614b\u7ba1\u7406\u8996\u5716\uff08DMV\uff09\u4f86\u76e3\u63a7\u7576\u524d\u7684\u9396\u5b9a\u60c5\u6cc1\uff0c\u53ca\u6642\u767c\u73fe\u548c\u89e3\u6c7a\u6f5b\u5728\u7684\u554f\u984c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-qsarfhIklb\">\u7d50\u8ad6<\/h2>\n<p>S\u9396\u5728SQL Server\u4e2d\u626e\u6f14\u8457\u81f3\u95dc\u91cd\u8981\u7684\u89d2\u8272\uff0c\u5b83\u4e0d\u50c5\u4fdd\u8b77\u4e86\u6578\u64da\u7684\u4e00\u81f4\u6027\uff0c\u9084\u63d0\u9ad8\u4e86\u7cfb\u7d71\u7684\u4e26\u767c\u6027\u80fd\u3002\u901a\u904e\u5408\u7406\u7684\u7ba1\u7406\u548c\u512a\u5316\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u5145\u5206\u5229\u7528S\u9396\u7684\u512a\u52e2\uff0c\u78ba\u4fdd\u6578\u64da\u5eab\u7684\u5b89\u5168\u6027\u548c\u7a69\u5b9a\u6027\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u8655\u7406\u7684\u61c9\u7528\u4f86\u8aaa\uff0c\u7406\u89e3\u548c\u638c\u63e1S\u9396\u7684\u904b\u4f5c\u539f\u7406\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a> \u670d\u52d9\u5c07\u5e6b\u52a9\u60a8\u5728\u6578\u64da\u5eab\u7ba1\u7406\u548c\u5b89\u5168\u6027\u65b9\u9762\u9054\u5230\u6700\u4f73\u6548\u679c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22SQL Server S\u9396\uff0c\u4e86\u89e3\u5982\u4f55\u89e3\u9396\u6578\u64da\u5eab\u5b89\u5168\uff0c\u63d0\u5347\u6578\u64da\u4fdd\u8b77\u8207\u7ba1\u7406\u6548\u7387\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7a69\u5b9a\u904b\u884c\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-137543","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/137543","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=137543"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/137543\/revisions"}],"predecessor-version":[{"id":137544,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/137543\/revisions\/137544"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=137543"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=137543"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=137543"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}