{"id":175247,"date":"2024-11-08T04:16:23","date_gmt":"2024-11-07T20:16:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/175247\/"},"modified":"2024-11-08T04:16:24","modified_gmt":"2024-11-07T20:16:24","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8mssql%e6%9f%a5%e8%a9%a2%e6%98%a8%e5%a4%a9%e7%9a%84%e6%95%b8%e6%93%9a%ef%bc%9f%ef%bc%88mssql%e6%9f%a5%e8%a9%a2%e6%98%a8%e5%a4%a9%e7%9a%84%e6%95%b8%e6%93%9a%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/175247\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528MSSQL\u67e5\u8a62\u6628\u5929\u7684\u6578\u64da\uff1f\uff08mssql\u67e5\u8a62\u6628\u5929\u7684\u6578\u64da\uff09"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8mssql%e6%9f%a5%e8%a9%a2%e6%98%a8%e5%a4%a9%e7%9a%84%e6%95%b8%e6%93%9a%ef%bc%9f-PNqBKskfay\">\u5982\u4f55\u4f7f\u7528MSSQL\u67e5\u8a62\u6628\u5929\u7684\u6578\u64da\uff1f<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u67e5\u8a62\u7279\u5b9a\u65e5\u671f\u7684\u6578\u64da\u662f\u4e00\u500b\u5e38\u898b\u7684\u9700\u6c42\u3002\u5c0d\u65bc\u4f7f\u7528Microsoft SQL Server\uff08MSSQL\uff09\u7684\u7528\u6236\u4f86\u8aaa\uff0c\u67e5\u8a62\u6628\u5929\u7684\u6578\u64da\u53ef\u4ee5\u901a\u904e\u591a\u7a2e\u65b9\u6cd5\u5be6\u73fe\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528T-SQL\u8a9e\u8a00\u4f86\u67e5\u8a62\u6628\u5929\u7684\u6578\u64da\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u7bc4\u4f8b\u548c\u6280\u5de7\u3002<\/p>\n<h2 id=\"%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-PNqBKskfay\">\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u5728MSSQL\u4e2d\uff0c\u65e5\u671f\u548c\u6642\u9593\u7684\u8655\u7406\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002MSSQL\u63d0\u4f9b\u4e86\u591a\u7a2e\u51fd\u6578\u4f86\u8655\u7406\u65e5\u671f\u548c\u6642\u9593\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li><code>GETDATE()<\/code>\uff1a\u8fd4\u56de\u7576\u524d\u7684\u65e5\u671f\u548c\u6642\u9593\u3002<\/li>\n<li><code>CAST()<\/code>\uff1a\u5c07\u6578\u64da\u985e\u578b\u8f49\u63db\u70ba\u5176\u4ed6\u985e\u578b\u3002<\/li>\n<li><code>DATEADD()<\/code>\uff1a\u5728\u6307\u5b9a\u7684\u65e5\u671f\u4e0a\u6dfb\u52a0\u4e00\u6bb5\u6642\u9593\u3002<\/li>\n<li><code>DATEDIFF()<\/code>\uff1a\u8a08\u7b97\u5169\u500b\u65e5\u671f\u4e4b\u9593\u7684\u5dee\u7570\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%9f%a5%e8%a9%a2%e6%98%a8%e5%a4%a9%e7%9a%84%e6%95%b8%e6%93%9a-PNqBKskfay\">\u67e5\u8a62\u6628\u5929\u7684\u6578\u64da<\/h2>\n<p>\u8981\u67e5\u8a62\u6628\u5929\u7684\u6578\u64da\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528<code>GETDATE()<\/code>\u51fd\u6578\u4f86\u7372\u53d6\u7576\u524d\u7684\u65e5\u671f\u548c\u6642\u9593\uff0c\u7136\u5f8c\u4f7f\u7528<code>DATEADD()<\/code>\u51fd\u6578\u4f86\u8a08\u7b97\u6628\u5929\u7684\u65e5\u671f\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u57fa\u672c\u7684\u67e5\u8a62\u7bc4\u4f8b\uff1a<\/p>\n<pre><code>\nSELECT *\nFROM YourTable\nWHERE YourDateColumn &gt;= CAST(DATEADD(DAY, -1, GETDATE()) AS DATE)\nAND YourDateColumn &lt; CAST(GETDATE() AS DATE);\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u67e5\u8a62\u4e2d\uff0c\u6211\u5011\u4f7f\u7528<code>DATEADD(DAY, -1, GETDATE())<\/code>\u4f86\u7372\u53d6\u6628\u5929\u7684\u65e5\u671f\uff0c\u4e26\u5c07\u5176\u8f49\u63db\u70ba\u65e5\u671f\u683c\u5f0f\u3002\u7136\u5f8c\uff0c\u6211\u5011\u4f7f\u7528<code>CAST(GETDATE() AS DATE)<\/code>\u4f86\u7372\u53d6\u4eca\u5929\u7684\u65e5\u671f\uff0c\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u67e5\u8a62\u53ea\u8fd4\u56de\u6628\u5929\u7684\u6578\u64da\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e6%97%a5%e6%9c%9f%e7%af%84%e5%9c%8d%e6%9f%a5%e8%a9%a2-PNqBKskfay\">\u4f7f\u7528\u65e5\u671f\u7bc4\u570d\u67e5\u8a62<\/h2>\n<p>\u9664\u4e86\u4e0a\u8ff0\u65b9\u6cd5\uff0c\u9084\u53ef\u4ee5\u4f7f\u7528\u65e5\u671f\u7bc4\u570d\u4f86\u67e5\u8a62\u6628\u5929\u7684\u6578\u64da\u3002\u9019\u7a2e\u65b9\u6cd5\u53ef\u4ee5\u66f4\u6e05\u6670\u5730\u8868\u9054\u67e5\u8a62\u7684\u610f\u5716\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7bc4\u4f8b\uff1a<\/p>\n<pre><code>\nSELECT *\nFROM YourTable\nWHERE YourDateColumn BETWEEN CAST(DATEADD(DAY, -1, GETDATE()) AS DATE) \nAND CAST(GETDATE() AS DATE) - 1;\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u67e5\u8a62\u4e2d\uff0c\u6211\u5011\u4f7f\u7528<code>BETWEEN<\/code>\u95dc\u9375\u5b57\u4f86\u6307\u5b9a\u65e5\u671f\u7bc4\u570d\uff0c\u9019\u6a23\u53ef\u4ee5\u66f4\u76f4\u89c0\u5730\u67e5\u8a62\u6628\u5929\u7684\u6578\u64da\u3002<\/p>\n<h2 id=\"%e8%80%83%e6%85%ae%e6%99%82%e5%8d%80%e5%95%8f%e9%a1%8c-PNqBKskfay\">\u8003\u616e\u6642\u5340\u554f\u984c<\/h2>\n<p>\u5728\u67e5\u8a62\u65e5\u671f\u6642\uff0c\u6642\u5340\u53ef\u80fd\u6703\u5f71\u97ff\u7d50\u679c\u3002\u5982\u679c\u60a8\u7684\u6578\u64da\u5eab\u4f3a\u670d\u5668\u4f4d\u65bc\u4e0d\u540c\u7684\u6642\u5340\uff0c\u60a8\u53ef\u80fd\u9700\u8981\u8003\u616e\u9019\u4e00\u9ede\u3002\u53ef\u4ee5\u4f7f\u7528<code>AT TIME ZONE<\/code>\u4f86\u8655\u7406\u6642\u5340\u554f\u984c\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>\nSELECT *\nFROM YourTable\nWHERE YourDateColumn &gt;= CAST(DATEADD(DAY, -1, GETDATE() AT TIME ZONE 'Asia\/Hong_Kong') AS DATE)\nAND YourDateColumn &lt; CAST(GETDATE() AT TIME ZONE &#039;Asia\/Hong_Kong&#039; AS DATE);\n<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u67e5\u8a62\u7684\u65e5\u671f\u662f\u57fa\u65bc\u6b63\u78ba\u7684\u6642\u5340\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-PNqBKskfay\">\u7e3d\u7d50<\/h2>\n<p>\u67e5\u8a62\u6628\u5929\u7684\u6578\u64da\u5728MSSQL\u4e2d\u662f\u4e00\u500b\u76f8\u5c0d\u7c21\u55ae\u7684\u904e\u7a0b\uff0c\u901a\u904e\u4f7f\u7528\u5167\u5efa\u7684\u65e5\u671f\u51fd\u6578\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5730\u7372\u53d6\u6240\u9700\u7684\u6578\u64da\u3002\u7121\u8ad6\u662f\u4f7f\u7528\u57fa\u672c\u7684\u65e5\u671f\u6bd4\u8f03\u9084\u662f\u65e5\u671f\u7bc4\u570d\u67e5\u8a62\uff0cMSSQL\u90fd\u63d0\u4f9b\u4e86\u9748\u6d3b\u7684\u65b9\u5f0f\u4f86\u6eff\u8db3\u4e0d\u540c\u7684\u9700\u6c42\u3002<\/p>\n<p>\u5982\u679c\u60a8\u9700\u8981\u7a69\u5b9a\u7684\u6578\u64da\u5eab\u74b0\u5883\u4f86\u904b\u884cMSSQL\uff0c\u8003\u616e\u4f7f\u7528<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u670d\u52d9\uff0c\u9019\u5c07\u70ba\u60a8\u7684\u61c9\u7528\u63d0\u4f9b\u9ad8\u6548\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528MSSQL\u67e5\u8a62\u6628\u5929\u7684\u6578\u64da\uff0c\u638c\u63e1\u65e5\u671f\u51fd\u6578\u548c\u67e5\u8a62\u8a9e\u6cd5\uff0c\u8f15\u9b06\u7372\u53d6\u6240\u9700\u4fe1\u606f\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-175247","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175247","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=175247"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175247\/revisions"}],"predecessor-version":[{"id":175248,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/175247\/revisions\/175248"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=175247"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=175247"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=175247"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}