{"id":137887,"date":"2024-10-31T12:55:19","date_gmt":"2024-10-31T04:55:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/137887\/"},"modified":"2024-10-31T12:55:20","modified_gmt":"2024-10-31T04:55:20","slug":"sql-server%e6%97%a5%e6%9c%9f%e8%a8%88%e7%ae%97%e5%a2%9e%e5%8a%a0%e6%9c%88%e4%bb%bd%ef%bc%88sqlserver%e5%8a%a0%e6%9c%88%e4%bb%bd%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/137887\/","title":{"rendered":"SQL Server\u65e5\u671f\u8a08\u7b97\u589e\u52a0\u6708\u4efd\uff08sqlserver\u52a0\u6708\u4efd\uff09"},"content":{"rendered":"<h1 id=\"sql-server%e6%97%a5%e6%9c%9f%e8%a8%88%e7%ae%97%e5%a2%9e%e5%8a%a0%e6%9c%88%e4%bb%bd%ef%bc%88sqlserver%e5%8a%a0%e6%9c%88%e4%bb%bd%ef%bc%89-CdOdfyXxAn\">SQL Server\u65e5\u671f\u8a08\u7b97\u589e\u52a0\u6708\u4efd\uff08sqlserver\u52a0\u6708\u4efd\uff09<\/h1>\n<p>\u5728\u8cc7\u6599\u5eab\u7ba1\u7406\u4e2d\uff0c\u65e5\u671f\u548c\u6642\u9593\u7684\u8a08\u7b97\u662f\u975e\u5e38\u91cd\u8981\u7684\uff0c\u5c24\u5176\u662f\u5728\u8655\u7406\u8207\u6642\u9593\u76f8\u95dc\u7684\u6578\u64da\u6642\u3002SQL Server\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u9032\u884c\u65e5\u671f\u8a08\u7b97\uff0c\u5176\u4e2d\u589e\u52a0\u6708\u4efd\u662f\u4e00\u500b\u5e38\u898b\u7684\u9700\u6c42\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5728SQL Server\u4e2d\u589e\u52a0\u6708\u4efd\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u7bc4\u4f8b\u548c\u4ee3\u78bc\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8dateadd%e5%87%bd%e6%95%b8%e5%a2%9e%e5%8a%a0%e6%9c%88%e4%bb%bd-CdOdfyXxAn\">\u4f7f\u7528DATEADD\u51fd\u6578\u589e\u52a0\u6708\u4efd<\/h2>\n<p>\u5728SQL Server\u4e2d\uff0c\u6700\u5e38\u7528\u4f86\u589e\u52a0\u65e5\u671f\u7684\u51fd\u6578\u662f<code>DATEADD<\/code>\u3002\u9019\u500b\u51fd\u6578\u53ef\u4ee5\u7528\u4f86\u5c0d\u6307\u5b9a\u7684\u65e5\u671f\u9032\u884c\u52a0\u6e1b\u64cd\u4f5c\uff0c\u652f\u6301\u7684\u6642\u9593\u55ae\u4f4d\u5305\u62ec\u5e74\u3001\u6708\u3001\u65e5\u3001\u6642\u3001\u5206\u3001\u79d2\u7b49\u3002<\/p>\n<p>\u51fd\u6578\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>DATEADD(datepart, number, date)<\/code><\/pre>\n<ul>\n<li><strong>datepart<\/strong>\uff1a\u6307\u5b9a\u8981\u589e\u52a0\u7684\u6642\u9593\u55ae\u4f4d\uff0c\u4f8b\u5982\uff1a<code>month<\/code>\u8868\u793a\u6708\u4efd\u3002<\/li>\n<li><strong>number<\/strong>\uff1a\u8981\u589e\u52a0\u7684\u6578\u91cf\uff0c\u53ef\u4ee5\u662f\u6b63\u6578\u6216\u8ca0\u6578\u3002<\/li>\n<li><strong>date<\/strong>\uff1a\u8981\u9032\u884c\u8a08\u7b97\u7684\u65e5\u671f\u3002<\/li>\n<\/ul>\n<h3 id=\"%e7%af%84%e4%be%8b%ef%bc%9a%e5%a2%9e%e5%8a%a0%e6%9c%88%e4%bb%bd-CdOdfyXxAn\">\u7bc4\u4f8b\uff1a\u589e\u52a0\u6708\u4efd<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u7bc4\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528<code>DATEADD<\/code>\u51fd\u6578\u4f86\u589e\u52a0\u6708\u4efd\uff1a<\/p>\n<pre><code>SELECT DATEADD(month, 3, '2023-01-15') AS NewDate;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u5c07\u65e5\u671f<code>'2023-01-15'<\/code>\u589e\u52a03\u500b\u6708\uff0c\u7d50\u679c\u5c07\u8fd4\u56de<code>'2023-04-15'<\/code>\u3002<\/p>\n<h2 id=\"%e8%99%95%e7%90%86%e9%82%8a%e7%95%8c%e6%83%85%e6%b3%81-CdOdfyXxAn\">\u8655\u7406\u908a\u754c\u60c5\u6cc1<\/h2>\n<p>\u5728\u9032\u884c\u65e5\u671f\u8a08\u7b97\u6642\uff0c\u7279\u5225\u662f\u589e\u52a0\u6708\u4efd\u6642\uff0c\u53ef\u80fd\u6703\u9047\u5230\u4e00\u4e9b\u908a\u754c\u60c5\u6cc1\u3002\u4f8b\u5982\uff0c\u7576\u589e\u52a0\u7684\u6708\u4efd\u4f7f\u5f97\u65e5\u671f\u8d85\u904e\u4e86\u7576\u6708\u7684\u5929\u6578\u6642\uff0cSQL Server\u6703\u81ea\u52d5\u8abf\u6574\u65e5\u671f\u5230\u4e0b\u4e00\u500b\u6708\u7684\u76f8\u61c9\u65e5\u671f\u3002<\/p>\n<h3 id=\"%e7%af%84%e4%be%8b%ef%bc%9a%e8%99%95%e7%90%86%e9%82%8a%e7%95%8c%e6%83%85%e6%b3%81-CdOdfyXxAn\">\u7bc4\u4f8b\uff1a\u8655\u7406\u908a\u754c\u60c5\u6cc1<\/h3>\n<p>\u8003\u616e\u4ee5\u4e0b\u7bc4\u4f8b\uff1a<\/p>\n<pre><code>SELECT DATEADD(month, 1, '2023-01-31') AS NewDate;<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u5c07<code>'2023-01-31'<\/code>\u589e\u52a01\u500b\u6708\uff0c\u7d50\u679c\u5c07\u8fd4\u56de<code>'2023-02-28'<\/code>\uff0c\u56e0\u70ba2023\u5e742\u6708\u53ea\u670928\u5929\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8getdate%e5%87%bd%e6%95%b8%e7%8d%b2%e5%8f%96%e7%95%b6%e5%89%8d%e6%97%a5%e6%9c%9f-CdOdfyXxAn\">\u4f7f\u7528GETDATE()\u51fd\u6578\u7372\u53d6\u7576\u524d\u65e5\u671f<\/h2>\n<p>\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u7d93\u5e38\u9700\u8981\u57fa\u65bc\u7576\u524d\u65e5\u671f\u9032\u884c\u8a08\u7b97\u3002\u53ef\u4ee5\u4f7f\u7528<code>GETDATE()<\/code>\u51fd\u6578\u4f86\u7372\u53d6\u7576\u524d\u7684\u65e5\u671f\u548c\u6642\u9593\u3002<\/p>\n<h3 id=\"%e7%af%84%e4%be%8b%ef%bc%9a%e5%9f%ba%e6%96%bc%e7%95%b6%e5%89%8d%e6%97%a5%e6%9c%9f%e5%a2%9e%e5%8a%a0%e6%9c%88%e4%bb%bd-CdOdfyXxAn\">\u7bc4\u4f8b\uff1a\u57fa\u65bc\u7576\u524d\u65e5\u671f\u589e\u52a0\u6708\u4efd<\/h3>\n<p>\u4ee5\u4e0b\u662f\u5982\u4f55\u57fa\u65bc\u7576\u524d\u65e5\u671f\u589e\u52a0\u6708\u4efd\u7684\u7bc4\u4f8b\uff1a<\/p>\n<pre><code>SELECT DATEADD(month, 2, GETDATE()) AS NewDate;<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u7576\u524d\u65e5\u671f\u589e\u52a02\u500b\u6708\u7684\u7d50\u679c\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-CdOdfyXxAn\">\u7d50\u8ad6<\/h2>\n<p>\u5728SQL Server\u4e2d\uff0c\u4f7f\u7528<code>DATEADD<\/code>\u51fd\u6578\u4f86\u589e\u52a0\u6708\u4efd\u662f\u4e00\u500b\u7c21\u55ae\u800c\u6709\u6548\u7684\u65b9\u6cd5\u3002\u7121\u8ad6\u662f\u8655\u7406\u56fa\u5b9a\u65e5\u671f\u9084\u662f\u57fa\u65bc\u7576\u524d\u65e5\u671f\u9032\u884c\u8a08\u7b97\uff0c\u9019\u500b\u51fd\u6578\u90fd\u80fd\u5920\u6eff\u8db3\u9700\u6c42\u3002\u4e86\u89e3\u5982\u4f55\u8655\u7406\u908a\u754c\u60c5\u6cc1\u4e5f\u975e\u5e38\u91cd\u8981\uff0c\u4ee5\u78ba\u4fdd\u8a08\u7b97\u7d50\u679c\u7684\u6e96\u78ba\u6027\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728SQL Server\u4e2d\u9032\u884c\u66f4\u8907\u96dc\u7684\u65e5\u671f\u8a08\u7b97\u6709\u8208\u8da3\uff0c\u6216\u8005\u9700\u8981\u9032\u4e00\u6b65\u7684\u6280\u8853\u652f\u6301\uff0c\u60a8\u53ef\u4ee5\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u670d\u52d9\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u6578\u64da\u5eab\u7ba1\u7406\u63d0\u4f9b\u7a69\u5b9a\u7684\u74b0\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5728SQL Server\u4e2d\u9032\u884c\u65e5\u671f\u8a08\u7b97\uff0c\u4f7f\u7528\u51fd\u6578\u8f15\u9b06\u589e\u52a0\u6708\u4efd\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\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-137887","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/137887","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=137887"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/137887\/revisions"}],"predecessor-version":[{"id":137888,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/137887\/revisions\/137888"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=137887"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=137887"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=137887"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}