{"id":140634,"date":"2024-10-31T20:49:18","date_gmt":"2024-10-31T12:49:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/140634\/"},"modified":"2024-10-31T20:49:19","modified_gmt":"2024-10-31T12:49:19","slug":"sql-server-%e7%b3%bb%e7%b5%b1%e8%a1%a8%e4%b8%ad%e7%9a%84-sysconfigures-%e8%a1%a8","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/140634\/","title":{"rendered":"SQL Server \u7cfb\u7d71\u8868\u4e2d\u7684 sysconfigures \u8868"},"content":{"rendered":"<h1 id=\"sql-server-%e7%b3%bb%e7%b5%b1%e8%a1%a8%e4%b8%ad%e7%9a%84-sysconfigures-%e8%a1%a8-hRRdCTWqQv\">SQL Server \u7cfb\u7d71\u8868\u4e2d\u7684 sysconfigures \u8868<\/h1>\n<p>\u5728 SQL Server \u4e2d\uff0c\u7cfb\u7d71\u8868\u662f\u7528\u4f86\u5132\u5b58\u7cfb\u7d71\u8cc7\u8a0a\u7684\u8868\u683c\uff0c\u5176\u4e2d <code>sysconfigures<\/code> \u8868\u662f\u4e00\u500b\u91cd\u8981\u7684\u7cfb\u7d71\u8868\uff0c\u4e3b\u8981\u7528\u4f86\u5132\u5b58 SQL Server \u7684\u914d\u7f6e\u9078\u9805\u3002\u9019\u4e9b\u914d\u7f6e\u9078\u9805\u5f71\u97ff\u8457 SQL Server \u7684\u884c\u70ba\u548c\u6027\u80fd\uff0c\u56e0\u6b64\u4e86\u89e3 <code>sysconfigures<\/code> \u8868\u7684\u7d50\u69cb\u548c\u7528\u9014\u5c0d\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u4f86\u8aaa\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<h2 id=\"sysconfigures-%e8%a1%a8%e7%9a%84%e7%b5%90%e6%a7%8b-hRRdCTWqQv\">sysconfigures \u8868\u7684\u7d50\u69cb<\/h2>\n<p><code>sysconfigures<\/code> \u8868\u5305\u542b\u591a\u500b\u6b04\u4f4d\uff0c\u6bcf\u500b\u6b04\u4f4d\u90fd\u4ee3\u8868\u4e00\u500b\u7279\u5b9a\u7684\u914d\u7f6e\u9078\u9805\u3002\u4ee5\u4e0b\u662f\u8a72\u8868\u7684\u4e3b\u8981\u6b04\u4f4d\uff1a<\/p>\n<ul>\n<li><code>config_id<\/code>: \u6bcf\u500b\u914d\u7f6e\u9078\u9805\u7684\u552f\u4e00\u8b58\u5225\u78bc\u3002<\/li>\n<li><code>name<\/code>: \u914d\u7f6e\u9078\u9805\u7684\u540d\u7a31\u3002<\/li>\n<li><code>value<\/code>: \u7576\u524d\u914d\u7f6e\u9078\u9805\u7684\u503c\u3002<\/li>\n<li><code>minimum<\/code>: \u914d\u7f6e\u9078\u9805\u7684\u6700\u5c0f\u503c\u3002<\/li>\n<li><code>maximum<\/code>: \u914d\u7f6e\u9078\u9805\u7684\u6700\u5927\u503c\u3002<\/li>\n<li><code>description<\/code>: \u914d\u7f6e\u9078\u9805\u7684\u63cf\u8ff0\uff0c\u63d0\u4f9b\u6709\u95dc\u8a72\u9078\u9805\u7684\u8a73\u7d30\u8cc7\u8a0a\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e6%9f%a5%e8%a9%a2-sysconfigures-%e8%a1%a8-hRRdCTWqQv\">\u5982\u4f55\u67e5\u8a62 sysconfigures \u8868<\/h2>\n<p>\u8981\u67e5\u8a62 <code>sysconfigures<\/code> \u8868\u4e2d\u7684\u8cc7\u6599\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u67e5\u8a62\u8a9e\u53e5\uff1a<\/p>\n<pre><code>SELECT * FROM sysconfigures;<\/code><\/pre>\n<p>\u9019\u500b\u67e5\u8a62\u5c07\u8fd4\u56de\u6240\u6709\u914d\u7f6e\u9078\u9805\u7684\u8a73\u7d30\u8cc7\u8a0a\uff0c\u5305\u62ec\u5b83\u5011\u7684\u540d\u7a31\u3001\u7576\u524d\u503c\u4ee5\u53ca\u6700\u5c0f\u548c\u6700\u5927\u503c\u3002\u9019\u5c0d\u65bc\u4e86\u89e3\u7576\u524d SQL Server \u7684\u914d\u7f6e\u72c0\u614b\u975e\u5e38\u6709\u5e6b\u52a9\u3002<\/p>\n<h2 id=\"%e5%b8%b8%e8%a6%8b%e7%9a%84%e9%85%8d%e7%bd%ae%e9%81%b8%e9%a0%85-hRRdCTWqQv\">\u5e38\u898b\u7684\u914d\u7f6e\u9078\u9805<\/h2>\n<p>\u5728 <code>sysconfigures<\/code> \u8868\u4e2d\uff0c\u6709\u4e00\u4e9b\u5e38\u898b\u7684\u914d\u7f6e\u9078\u9805\uff0c\u9019\u4e9b\u9078\u9805\u5c0d\u65bc\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u884c\u70ba\u6709\u8457\u91cd\u8981\u5f71\u97ff\u3002\u4ee5\u4e0b\u662f\u5e7e\u500b\u4f8b\u5b50\uff1a<\/p>\n<ul>\n<li><code>user options<\/code>: \u6b64\u9078\u9805\u63a7\u5236\u7528\u6236\u7684\u9ed8\u8a8d\u8a2d\u7f6e\uff0c\u4f8b\u5982\u65e5\u671f\u683c\u5f0f\u548c\u8a9e\u8a00\u3002<\/li>\n<li><code>max degree of parallelism<\/code>: \u6b64\u9078\u9805\u63a7\u5236\u67e5\u8a62\u57f7\u884c\u6642\u7684\u6700\u5927\u4e26\u884c\u5ea6\uff0c\u5c0d\u65bc\u591a\u6838\u8655\u7406\u5668\u7684\u6027\u80fd\u512a\u5316\u81f3\u95dc\u91cd\u8981\u3002<\/li>\n<li><code>cost threshold for parallelism<\/code>: \u6b64\u9078\u9805\u5b9a\u7fa9\u4e86\u67e5\u8a62\u5728\u4f55\u7a2e\u60c5\u6cc1\u4e0b\u61c9\u8a72\u4f7f\u7528\u4e26\u884c\u57f7\u884c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bf%ae%e6%94%b9%e9%85%8d%e7%bd%ae%e9%81%b8%e9%a0%85-hRRdCTWqQv\">\u4fee\u6539\u914d\u7f6e\u9078\u9805<\/h2>\n<p>\u8981\u4fee\u6539 <code>sysconfigures<\/code> \u8868\u4e2d\u7684\u914d\u7f6e\u9078\u9805\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>sp_configure<\/code> \u5b58\u5132\u904e\u7a0b\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4fee\u6539\u6700\u5927\u4e26\u884c\u5ea6\uff1a<\/p>\n<pre><code>EXEC sp_configure 'max degree of parallelism', 4;\nRECONFIGURE;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u5c07\u6700\u5927\u4e26\u884c\u5ea6\u8a2d\u7f6e\u70ba 4\uff0c\u9019\u610f\u5473\u8457 SQL Server \u5c07\u6700\u591a\u4f7f\u7528 4 \u500b\u8655\u7406\u5668\u4f86\u57f7\u884c\u67e5\u8a62\u3002\u4fee\u6539\u914d\u7f6e\u9078\u9805\u5f8c\uff0c\u5efa\u8b70\u91cd\u65b0\u555f\u52d5 SQL Server \u4ee5\u78ba\u4fdd\u66f4\u6539\u751f\u6548\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-hRRdCTWqQv\">\u7d50\u8ad6<\/h2>\n<p>\u4e86\u89e3 <code>sysconfigures<\/code> \u8868\u53ca\u5176\u914d\u7f6e\u9078\u9805\u5c0d\u65bc\u512a\u5316 SQL Server \u7684\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002\u901a\u904e\u67e5\u8a62\u548c\u4fee\u6539\u9019\u4e9b\u9078\u9805\uff0c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u53ef\u4ee5\u6839\u64da\u5177\u9ad4\u9700\u6c42\u8abf\u6574 SQL Server \u7684\u884c\u70ba\uff0c\u5f9e\u800c\u63d0\u9ad8\u7cfb\u7d71\u7684\u6574\u9ad4\u6548\u7387\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u670d\u52d9\u6216\u5176\u4ed6\u76f8\u95dc\u4e3b\u984c\u6709\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3 SQL Server \u7cfb\u7d71\u8868 sysconfigures \u7684\u529f\u80fd\uff0c\u8a72\u8868\u5b58\u5132\u4e86\u7cfb\u7d71\u914d\u7f6e\u9078\u9805\u53ca\u5176\u7576\u524d\u503c\uff0c\u5e6b\u52a9\u7ba1\u7406\u6578\u64da\u5eab\u8a2d\u7f6e\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-140634","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/140634","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=140634"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/140634\/revisions"}],"predecessor-version":[{"id":140635,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/140634\/revisions\/140635"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=140634"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=140634"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=140634"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}