{"id":168495,"date":"2024-11-06T12:51:24","date_gmt":"2024-11-06T04:51:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/168495\/"},"modified":"2024-11-06T12:51:25","modified_gmt":"2024-11-06T04:51:25","slug":"sql-%e4%b8%ad-datename-%e5%87%bd%e6%95%b8%e7%9a%84%e7%94%a8%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/168495\/","title":{"rendered":"SQL \u4e2d DATENAME \u51fd\u6578\u7684\u7528\u6cd5"},"content":{"rendered":"<h1 id=\"sql-%e4%b8%ad-datename-%e5%87%bd%e6%95%b8%e7%9a%84%e7%94%a8%e6%b3%95-DarlaZwFgI\">SQL \u4e2d DATENAME \u51fd\u6578\u7684\u7528\u6cd5<\/h1>\n<p>\u5728 SQL Server \u4e2d\uff0cDATENAME \u51fd\u6578\u662f\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u51fd\u6578\uff0c\u4e3b\u8981\u7528\u65bc\u5f9e\u65e5\u671f\u6216\u6642\u9593\u503c\u4e2d\u63d0\u53d6\u7279\u5b9a\u7684\u90e8\u5206\uff0c\u4e26\u4ee5\u5b57\u4e32\u7684\u5f62\u5f0f\u8fd4\u56de\u3002\u9019\u500b\u51fd\u6578\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u5728\u8655\u7406\u65e5\u671f\u548c\u6642\u9593\u6642\uff0c\u7372\u53d6\u66f4\u5177\u53ef\u8b80\u6027\u7684\u8cc7\u8a0a\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e DATENAME \u51fd\u6578\u7684\u7528\u6cd5\uff0c\u5305\u62ec\u5176\u8a9e\u6cd5\u3001\u7bc4\u4f8b\u53ca\u61c9\u7528\u5834\u666f\u3002<\/p>\n<h2 id=\"datename-%e5%87%bd%e6%95%b8%e7%9a%84%e8%aa%9e%e6%b3%95-DarlaZwFgI\">DATENAME \u51fd\u6578\u7684\u8a9e\u6cd5<\/h2>\n<p>DATENAME \u51fd\u6578\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>DATENAME(datepart, date)<\/code><\/pre>\n<ul>\n<li><strong>datepart<\/strong>: \u6307\u5b9a\u8981\u63d0\u53d6\u7684\u65e5\u671f\u90e8\u5206\uff0c\u4f8b\u5982\u5e74\u3001\u6708\u3001\u65e5\u3001\u661f\u671f\u7b49\u3002<\/li>\n<li><strong>date<\/strong>: \u8981\u5f9e\u4e2d\u63d0\u53d6\u65e5\u671f\u90e8\u5206\u7684\u65e5\u671f\u6216\u6642\u9593\u503c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%8f%af%e7%94%a8%e7%9a%84-datepart-%e5%8f%83%e6%95%b8-DarlaZwFgI\">\u53ef\u7528\u7684 datepart \u53c3\u6578<\/h2>\n<p>DATENAME \u51fd\u6578\u652f\u6301\u591a\u7a2e datepart \u53c3\u6578\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u9078\u9805\uff1a<\/p>\n<ul>\n<li><strong>year<\/strong>: \u5e74\u4efd<\/li>\n<li><strong>quarter<\/strong>: \u5b63\u5ea6<\/li>\n<li><strong>month<\/strong>: \u6708\u4efd<\/li>\n<li><strong>day<\/strong>: \u65e5<\/li>\n<li><strong>weekday<\/strong>: \u661f\u671f\u5e7e<\/li>\n<li><strong>hour<\/strong>: \u5c0f\u6642<\/li>\n<li><strong>minute<\/strong>: \u5206\u9418<\/li>\n<li><strong>second<\/strong>: \u79d2<\/li>\n<\/ul>\n<h2 id=\"%e7%af%84%e4%be%8b-DarlaZwFgI\">\u7bc4\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u4f7f\u7528 DATENAME \u51fd\u6578\u7684\u7bc4\u4f8b\uff1a<\/p>\n<h3 id=\"%e7%af%84%e4%be%8b-1-%e7%8d%b2%e5%8f%96%e5%b9%b4%e4%bb%bd-DarlaZwFgI\">\u7bc4\u4f8b 1: \u7372\u53d6\u5e74\u4efd<\/h3>\n<pre><code>SELECT DATENAME(year, '2023-10-01') AS YearName;<\/code><\/pre>\n<p>\u9019\u500b\u67e5\u8a62\u5c07\u8fd4\u56de\u5b57\u4e32 &#8220;2023&#8221;\uff0c\u8868\u793a\u5e74\u4efd\u3002<\/p>\n<h3 id=\"%e7%af%84%e4%be%8b-2-%e7%8d%b2%e5%8f%96%e6%9c%88%e4%bb%bd%e5%90%8d%e7%a8%b1-DarlaZwFgI\">\u7bc4\u4f8b 2: \u7372\u53d6\u6708\u4efd\u540d\u7a31<\/h3>\n<pre><code>SELECT DATENAME(month, '2023-10-01') AS MonthName;<\/code><\/pre>\n<p>\u9019\u500b\u67e5\u8a62\u5c07\u8fd4\u56de\u5b57\u4e32 &#8220;October&#8221;\uff0c\u8868\u793a\u5341\u6708\u4efd\u3002<\/p>\n<h3 id=\"%e7%af%84%e4%be%8b-3-%e7%8d%b2%e5%8f%96%e6%98%9f%e6%9c%9f%e5%b9%be%e7%9a%84%e5%90%8d%e7%a8%b1-DarlaZwFgI\">\u7bc4\u4f8b 3: \u7372\u53d6\u661f\u671f\u5e7e\u7684\u540d\u7a31<\/h3>\n<pre><code>SELECT DATENAME(weekday, '2023-10-01') AS WeekdayName;<\/code><\/pre>\n<p>\u9019\u500b\u67e5\u8a62\u5c07\u8fd4\u56de\u5b57\u4e32 &#8220;Sunday&#8221;\uff0c\u8868\u793a\u9019\u4e00\u5929\u662f\u661f\u671f\u65e5\u3002<\/p>\n<h2 id=\"%e6%87%89%e7%94%a8%e5%a0%b4%e6%99%af-DarlaZwFgI\">\u61c9\u7528\u5834\u666f<\/h2>\n<p>DATENAME \u51fd\u6578\u5728\u8a31\u591a\u5834\u666f\u4e2d\u90fd\u975e\u5e38\u6709\u7528\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u61c9\u7528\uff1a<\/p>\n<ul>\n<li><strong>\u5831\u544a\u751f\u6210<\/strong>: \u5728\u751f\u6210\u5831\u544a\u6642\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528 DATENAME \u51fd\u6578\u4f86\u986f\u793a\u66f4\u5177\u53ef\u8b80\u6027\u7684\u65e5\u671f\u683c\u5f0f\uff0c\u4f8b\u5982\u5728\u5831\u544a\u4e2d\u986f\u793a &#8220;2023\u5e7410\u6708&#8221; \u800c\u4e0d\u662f &#8220;2023-10-01&#8243;\u3002<\/li>\n<li><strong>\u6578\u64da\u5206\u6790<\/strong>: \u5728\u9032\u884c\u6578\u64da\u5206\u6790\u6642\uff0c\u4f7f\u7528 DATENAME \u51fd\u6578\u53ef\u4ee5\u5e6b\u52a9\u5206\u6790\u5e2b\u66f4\u5bb9\u6613\u5730\u7406\u89e3\u6578\u64da\u7684\u6642\u9593\u7dad\u5ea6\uff0c\u4f8b\u5982\u6309\u6708\u4efd\u6216\u661f\u671f\u5e7e\u9032\u884c\u5206\u7d44\u3002<\/li>\n<li><strong>\u7528\u6236\u754c\u9762<\/strong>: \u5728\u7528\u6236\u754c\u9762\u4e2d\u986f\u793a\u65e5\u671f\u6642\uff0c\u4f7f\u7528 DATENAME \u51fd\u6578\u53ef\u4ee5\u63d0\u4f9b\u66f4\u53cb\u597d\u7684\u986f\u793a\u683c\u5f0f\uff0c\u63d0\u5347\u7528\u6236\u9ad4\u9a57\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-DarlaZwFgI\">\u7e3d\u7d50<\/h2>\n<p>DATENAME \u51fd\u6578\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u5f9e\u65e5\u671f\u548c\u6642\u9593\u4e2d\u63d0\u53d6\u6709\u7528\u7684\u8cc7\u8a0a\u3002\u7121\u8ad6\u662f\u5728\u5831\u544a\u751f\u6210\u3001\u6578\u64da\u5206\u6790\u9084\u662f\u7528\u6236\u754c\u9762\u8a2d\u8a08\u4e2d\uff0cDATENAME \u51fd\u6578\u90fd\u80fd\u63d0\u4f9b\u66f4\u5177\u53ef\u8b80\u6027\u7684\u65e5\u671f\u683c\u5f0f\u3002\u5c0d\u65bc\u9700\u8981\u8655\u7406\u65e5\u671f\u548c\u6642\u9593\u7684\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u638c\u63e1\u9019\u500b\u51fd\u6578\u7684\u7528\u6cd5\u662f\u975e\u5e38\u91cd\u8981\u7684\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\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u9084\u662f <a href=\"https:\/\/server.hk\">\u96f2\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3 SQL \u4e2d DATENAME \u51fd\u6578\u7684\u7528\u6cd5\uff0c\u5b78\u7fd2\u5982\u4f55\u63d0\u53d6\u65e5\u671f\u7684\u7279\u5b9a\u90e8\u5206\uff0c\u5982\u5e74\u3001\u6708\u3001\u65e5\u7b49\uff0c\u63d0\u5347\u6578\u64da\u67e5\u8a62\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-168495","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/168495","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=168495"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/168495\/revisions"}],"predecessor-version":[{"id":168496,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/168495\/revisions\/168496"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=168495"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=168495"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=168495"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}