{"id":160717,"date":"2024-11-04T00:25:26","date_gmt":"2024-11-03T16:25:26","guid":{"rendered":"https:\/\/server.hk\/cnblog\/160717\/"},"modified":"2024-11-04T00:25:28","modified_gmt":"2024-11-03T16:25:28","slug":"sql-server%e6%95%b8%e6%93%9a%e6%99%82%e9%96%93%e9%a1%9e%e5%9e%8b-%e4%ba%86%e8%a7%a3%e6%99%82%e9%96%93%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e7%9a%84%e4%bd%bf%e7%94%a8%e5%92%8c%e5%84%aa%e5%8b%a2","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/160717\/","title":{"rendered":"SQL Server\u6578\u64da\u6642\u9593\u985e\u578b\u2013\u4e86\u89e3\u6642\u9593\u6578\u64da\u985e\u578b\u7684\u4f7f\u7528\u548c\u512a\u52e2\uff08sqlserver\u6578\u64da\u5eab\u6642\u9593\u985e\u578b\uff09"},"content":{"rendered":"<h1 id=\"sql-server%e6%95%b8%e6%93%9a%e6%99%82%e9%96%93%e9%a1%9e%e5%9e%8b-%e4%ba%86%e8%a7%a3%e6%99%82%e9%96%93%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e7%9a%84%e4%bd%bf%e7%94%a8%e5%92%8c%e5%84%aa%e5%8b%a2-rKWTDDlPGY\">SQL Server\u6578\u64da\u6642\u9593\u985e\u578b\u2013\u4e86\u89e3\u6642\u9593\u6578\u64da\u985e\u578b\u7684\u4f7f\u7528\u548c\u512a\u52e2<\/h1>\n<p>\u5728\u73fe\u4ee3\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u6642\u9593\u6578\u64da\u985e\u578b\u7684\u4f7f\u7528\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002SQL Server\u4f5c\u70ba\u4e00\u500b\u6d41\u884c\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u6642\u9593\u6578\u64da\u985e\u578b\uff0c\u4ee5\u6eff\u8db3\u4e0d\u540c\u7684\u9700\u6c42\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0eSQL Server\u4e2d\u7684\u6642\u9593\u6578\u64da\u985e\u578b\uff0c\u5305\u62ec\u5176\u4f7f\u7528\u65b9\u6cd5\u548c\u512a\u52e2\u3002<\/p>\n<h2 id=\"sql-server%e4%b8%ad%e7%9a%84%e6%99%82%e9%96%93%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-rKWTDDlPGY\">SQL Server\u4e2d\u7684\u6642\u9593\u6578\u64da\u985e\u578b<\/h2>\n<p>SQL Server\u63d0\u4f9b\u4e86\u5e7e\u7a2e\u6642\u9593\u6578\u64da\u985e\u578b\uff0c\u4e3b\u8981\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>DATETIME<\/strong><\/li>\n<li><strong>SMALLDATETIME<\/strong><\/li>\n<li><strong>DATE<\/strong><\/li>\n<li><strong>TIME<\/strong><\/li>\n<li><strong>DATETIME2<\/strong><\/li>\n<li><strong>DATETIMEOFFSET<\/strong><\/li>\n<\/ul>\n<h3 id=\"1-datetime-rKWTDDlPGY\">1. DATETIME<\/h3>\n<p>DATETIME\u6578\u64da\u985e\u578b\u53ef\u4ee5\u5b58\u5132\u5f9e1753\u5e74\u52309999\u5e74\u7684\u65e5\u671f\u548c\u6642\u9593\uff0c\u7cbe\u5ea6\u70ba3.33\u6beb\u79d2\u3002\u9019\u4f7f\u5f97\u5b83\u9069\u5408\u5927\u591a\u6578\u61c9\u7528\u5834\u666f\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u53ef\u80fd\u6703\u56e0\u70ba\u5176\u7bc4\u570d\u548c\u7cbe\u5ea6\u7684\u9650\u5236\u800c\u4e0d\u5920\u7406\u60f3\u3002<\/p>\n<h3 id=\"2-smalldatetime-rKWTDDlPGY\">2. SMALLDATETIME<\/h3>\n<p>SMALLDATETIME\u7684\u7bc4\u570d\u5f9e1900\u5e74\u52302079\u5e74\uff0c\u7cbe\u5ea6\u70ba1\u5206\u9418\u3002\u9019\u4f7f\u5f97\u5b83\u5728\u5b58\u5132\u8f03\u5c0f\u7bc4\u570d\u7684\u65e5\u671f\u548c\u6642\u9593\u6642\u975e\u5e38\u6709\u6548\uff0c\u4e26\u4e14\u4f54\u7528\u7684\u5b58\u5132\u7a7a\u9593\u4e5f\u8f03\u5c0f\u3002<\/p>\n<h3 id=\"3-date-rKWTDDlPGY\">3. DATE<\/h3>\n<p>DATE\u6578\u64da\u985e\u578b\u50c5\u7528\u65bc\u5b58\u5132\u65e5\u671f\uff0c\u7bc4\u570d\u5f9e0001\u5e74\u52309999\u5e74\uff0c\u7cbe\u5ea6\u70ba\u4e00\u5929\u3002\u9019\u5c0d\u65bc\u53ea\u9700\u8981\u65e5\u671f\u800c\u4e0d\u9700\u8981\u6642\u9593\u7684\u61c9\u7528\u5834\u666f\u975e\u5e38\u6709\u7528\u3002<\/p>\n<h3 id=\"4-time-rKWTDDlPGY\">4. TIME<\/h3>\n<p>TIME\u6578\u64da\u985e\u578b\u50c5\u7528\u65bc\u5b58\u5132\u6642\u9593\uff0c\u7bc4\u570d\u5f9e00:00:00\u523023:59:59.9999999\uff0c\u7cbe\u5ea6\u53ef\u9054\u5230100\u7d0d\u79d2\u3002\u9019\u4f7f\u5f97\u5b83\u5728\u9700\u8981\u7cbe\u78ba\u6642\u9593\u7684\u61c9\u7528\u4e2d\u975e\u5e38\u6709\u7528\u3002<\/p>\n<h3 id=\"5-datetime2-rKWTDDlPGY\">5. DATETIME2<\/h3>\n<p>DATETIME2\u662fDATETIME\u7684\u64f4\u5c55\u7248\u672c\uff0c\u7bc4\u570d\u5f9e0001\u5e74\u52309999\u5e74\uff0c\u7cbe\u5ea6\u53ef\u9054\u5230100\u7d0d\u79d2\u3002\u9019\u4f7f\u5f97\u5b83\u5728\u9700\u8981\u66f4\u9ad8\u7cbe\u5ea6\u7684\u61c9\u7528\u4e2d\u975e\u5e38\u53d7\u6b61\u8fce\u3002<\/p>\n<h3 id=\"6-datetimeoffset-rKWTDDlPGY\">6. DATETIMEOFFSET<\/h3>\n<p>DATETIMEOFFSET\u6578\u64da\u985e\u578b\u4e0d\u50c5\u5b58\u5132\u65e5\u671f\u548c\u6642\u9593\uff0c\u9084\u5305\u62ec\u6642\u5340\u504f\u79fb\u91cf\u3002\u9019\u5c0d\u65bc\u9700\u8981\u8655\u7406\u8de8\u6642\u5340\u7684\u61c9\u7528\u975e\u5e38\u91cd\u8981\u3002<\/p>\n<h2 id=\"%e6%99%82%e9%96%93%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e7%9a%84%e4%bd%bf%e7%94%a8%e5%84%aa%e5%8b%a2-rKWTDDlPGY\">\u6642\u9593\u6578\u64da\u985e\u578b\u7684\u4f7f\u7528\u512a\u52e2<\/h2>\n<p>\u4f7f\u7528SQL Server\u7684\u6642\u9593\u6578\u64da\u985e\u578b\u6709\u591a\u500b\u512a\u52e2\uff1a<\/p>\n<ul>\n<li><strong>\u9748\u6d3b\u6027\uff1a<\/strong>\u4e0d\u540c\u7684\u6642\u9593\u6578\u64da\u985e\u578b\u53ef\u4ee5\u6839\u64da\u5177\u9ad4\u9700\u6c42\u9078\u64c7\uff0c\u63d0\u4f9b\u4e86\u9748\u6d3b\u7684\u89e3\u6c7a\u65b9\u6848\u3002<\/li>\n<li><strong>\u7cbe\u78ba\u6027\uff1a<\/strong>\u9ad8\u7cbe\u5ea6\u7684\u6642\u9593\u6578\u64da\u985e\u578b\uff08\u5982DATETIME2\uff09\u53ef\u4ee5\u6eff\u8db3\u5c0d\u6642\u9593\u7cbe\u5ea6\u8981\u6c42\u8f03\u9ad8\u7684\u61c9\u7528\u3002<\/li>\n<li><strong>\u5b58\u5132\u6548\u7387\uff1a<\/strong>SMALLDATETIME\u548cDATE\u7b49\u6578\u64da\u985e\u578b\u4f54\u7528\u7684\u5b58\u5132\u7a7a\u9593\u8f03\u5c0f\uff0c\u9069\u5408\u5927\u898f\u6a21\u6578\u64da\u5b58\u5132\u3002<\/li>\n<li><strong>\u6642\u5340\u652f\u6301\uff1a<\/strong>DATETIMEOFFSET\u63d0\u4f9b\u4e86\u6642\u5340\u504f\u79fb\u7684\u652f\u6301\uff0c\u65b9\u4fbf\u8655\u7406\u5168\u7403\u5316\u61c9\u7528\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-rKWTDDlPGY\">\u793a\u4f8b\u4ee3\u78bc<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u4f7f\u7528SQL Server\u6642\u9593\u6578\u64da\u985e\u578b\u7684\u793a\u4f8b\u4ee3\u78bc\uff1a<\/p>\n<pre><code>-- \u5275\u5efa\u4e00\u500b\u5305\u542b\u6642\u9593\u6578\u64da\u985e\u578b\u7684\u8868\nCREATE TABLE Events (\n    EventID INT PRIMARY KEY,\n    EventName NVARCHAR(100),\n    EventDate DATETIME2,\n    EventTime TIME,\n    EventDateTimeOffset DATETIMEOFFSET\n);\n\n-- \u63d2\u5165\u6578\u64da\nINSERT INTO Events (EventID, EventName, EventDate, EventTime, EventDateTimeOffset)\nVALUES (1, 'New Year Celebration', '2023-01-01 00:00:00.0000000', '23:59:59.9999999', '2023-01-01 00:00:00.0000000 +08:00');<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-rKWTDDlPGY\">\u7e3d\u7d50<\/h2>\n<p>SQL Server\u63d0\u4f9b\u4e86\u591a\u7a2e\u6642\u9593\u6578\u64da\u985e\u578b\uff0c\u6eff\u8db3\u4e0d\u540c\u61c9\u7528\u7684\u9700\u6c42\u3002\u5f9e\u57fa\u672c\u7684DATETIME\u5230\u9ad8\u7cbe\u5ea6\u7684DATETIME2\u548c\u652f\u6301\u6642\u5340\u7684DATETIMEOFFSET\uff0c\u9019\u4e9b\u6578\u64da\u985e\u578b\u5404\u6709\u5176\u512a\u52e2\u3002\u9078\u64c7\u5408\u9069\u7684\u6642\u9593\u6578\u64da\u985e\u578b\u4e0d\u50c5\u80fd\u63d0\u9ad8\u6578\u64da\u7684\u6e96\u78ba\u6027\uff0c\u9084\u80fd\u63d0\u5347\u5b58\u5132\u6548\u7387\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u6578\u64da\u7ba1\u7406\u7684\u4f01\u696d\u4f86\u8aaa\uff0c\u4e86\u89e3\u9019\u4e9b\u6642\u9593\u6578\u64da\u985e\u578b\u7684\u7279\u6027\u548c\u4f7f\u7528\u65b9\u6cd5\u662f\u81f3\u95dc\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\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u6578\u64da\u5eab\u7ba1\u7406\u9084\u662f\u61c9\u7528\u90e8\u7f72\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22SQL Server\u6578\u64da\u5eab\u4e2d\u7684\u6642\u9593\u6578\u64da\u985e\u578b\uff0c\u4e86\u89e3\u5176\u4f7f\u7528\u65b9\u6cd5\u53ca\u512a\u52e2\uff0c\u63d0\u5347\u6578\u64da\u7ba1\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-160717","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160717","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=160717"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160717\/revisions"}],"predecessor-version":[{"id":160718,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/160717\/revisions\/160718"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=160717"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=160717"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=160717"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}