{"id":60589,"date":"2024-10-13T04:07:16","date_gmt":"2024-10-12T20:07:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/60589\/"},"modified":"2024-10-13T04:07:16","modified_gmt":"2024-10-12T20:07:16","slug":"db2%e5%8f%96%e5%be%97%e7%95%b6%e5%89%8d%e6%99%82%e9%96%93%e7%9a%84%e6%ad%a3%e7%a2%ba%e8%a7%a3%e6%9e%90%e7%b6%93%e5%85%b8%e7%89%88%ef%bc%81","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/60589\/","title":{"rendered":"DB2\u53d6\u5f97\u7576\u524d\u6642\u9593\u7684\u6b63\u78ba\u89e3\u6790\u7d93\u5178\u7248\uff01"},"content":{"rendered":"<h1 id=\"db2%e5%8f%96%e5%be%97%e7%95%b6%e5%89%8d%e6%99%82%e9%96%93%e7%9a%84%e6%ad%a3%e7%a2%ba%e8%a7%a3%e6%9e%90%e7%b6%93%e5%85%b8%e7%89%88%ef%bc%81-HRVFbikind\">DB2\u53d6\u5f97\u7576\u524d\u6642\u9593\u7684\u6b63\u78ba\u89e3\u6790\u7d93\u5178\u7248\uff01<\/h1>\n<p>\u5728\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c\u6642\u9593\u7684\u8655\u7406\u662f\u975e\u5e38\u91cd\u8981\u7684\u4e00\u74b0\u3002IBM\u7684DB2\u8cc7\u6599\u5eab\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u7372\u53d6\u7576\u524d\u6642\u9593\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u5728DB2\u4e2d\u6b63\u78ba\u5730\u53d6\u5f97\u7576\u524d\u6642\u9593\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u7bc4\u4f8b\u548c\u89e3\u6790\u3002<\/p>\n<h2 id=\"db2%e4%b8%ad%e7%9a%84%e6%99%82%e9%96%93%e9%a1%9e%e5%9e%8b-HRVFbikind\">DB2\u4e2d\u7684\u6642\u9593\u985e\u578b<\/h2>\n<p>\u5728DB2\u4e2d\uff0c\u6642\u9593\u7684\u8868\u793a\u4e3b\u8981\u6709\u4ee5\u4e0b\u5e7e\u7a2e\u8cc7\u6599\u985e\u578b\uff1a<\/p>\n<ul>\n<li><strong>TIME<\/strong>\uff1a\u8868\u793a\u4e00\u5929\u4e2d\u7684\u6642\u9593\uff0c\u683c\u5f0f\u70baHH:MM:SS\u3002<\/li>\n<li><strong>DATE<\/strong>\uff1a\u8868\u793a\u65e5\u671f\uff0c\u683c\u5f0f\u70baYYYY-MM-DD\u3002<\/li>\n<li><strong>TIMESTAMP<\/strong>\uff1a\u8868\u793a\u65e5\u671f\u548c\u6642\u9593\u7684\u7d44\u5408\uff0c\u683c\u5f0f\u70baYYYY-MM-DD HH:MM:SS\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%8f%96%e5%be%97%e7%95%b6%e5%89%8d%e6%99%82%e9%96%93%e7%9a%84%e6%96%b9%e6%b3%95-HRVFbikind\">\u53d6\u5f97\u7576\u524d\u6642\u9593\u7684\u65b9\u6cd5<\/h2>\n<p>\u5728DB2\u4e2d\uff0c\u53d6\u5f97\u7576\u524d\u6642\u9593\u7684\u4e3b\u8981\u51fd\u6578\u662f <code>CURRENT TIME<\/code>\u3001<code>CURRENT DATE<\/code> \u548c <code>CURRENT TIMESTAMP<\/code>\u3002\u9019\u4e9b\u51fd\u6578\u53ef\u4ee5\u76f4\u63a5\u5728SQL\u67e5\u8a62\u4e2d\u4f7f\u7528\u3002<\/p>\n<h3 id=\"1-%e5%8f%96%e5%be%97%e7%95%b6%e5%89%8d%e6%99%82%e9%96%93-HRVFbikind\">1. \u53d6\u5f97\u7576\u524d\u6642\u9593<\/h3>\n<pre><code>SELECT CURRENT TIME AS CurrentTime FROM SYSIBM.SYSDUMMY1;<\/code><\/pre>\n<p>\u9019\u689d\u67e5\u8a62\u5c07\u8fd4\u56de\u7576\u524d\u7684\u6642\u9593\uff0c\u683c\u5f0f\u70baHH:MM:SS\u3002<\/p>\n<h3 id=\"2-%e5%8f%96%e5%be%97%e7%95%b6%e5%89%8d%e6%97%a5%e6%9c%9f-HRVFbikind\">2. \u53d6\u5f97\u7576\u524d\u65e5\u671f<\/h3>\n<pre><code>SELECT CURRENT DATE AS CurrentDate FROM SYSIBM.SYSDUMMY1;<\/code><\/pre>\n<p>\u9019\u689d\u67e5\u8a62\u5c07\u8fd4\u56de\u7576\u524d\u7684\u65e5\u671f\uff0c\u683c\u5f0f\u70baYYYY-MM-DD\u3002<\/p>\n<h3 id=\"3-%e5%8f%96%e5%be%97%e7%95%b6%e5%89%8d%e6%99%82%e9%96%93%e6%88%b3-HRVFbikind\">3. \u53d6\u5f97\u7576\u524d\u6642\u9593\u6233<\/h3>\n<pre><code>SELECT CURRENT TIMESTAMP AS CurrentTimestamp FROM SYSIBM.SYSDUMMY1;<\/code><\/pre>\n<p>\u9019\u689d\u67e5\u8a62\u5c07\u8fd4\u56de\u7576\u524d\u7684\u6642\u9593\u6233\uff0c\u683c\u5f0f\u70baYYYY-MM-DD HH:MM:SS\u3002<\/p>\n<h2 id=\"%e4%bd%bf%e7%94%a8%e7%af%84%e4%be%8b-HRVFbikind\">\u4f7f\u7528\u7bc4\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7d9c\u5408\u7684\u7bc4\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5728DB2\u4e2d\u4f7f\u7528\u9019\u4e9b\u51fd\u6578\u4f86\u7372\u53d6\u7576\u524d\u7684\u6642\u9593\u3001\u65e5\u671f\u548c\u6642\u9593\u6233\uff1a<\/p>\n<pre><code>\nSELECT \n    CURRENT TIME AS CurrentTime,\n    CURRENT DATE AS CurrentDate,\n    CURRENT TIMESTAMP AS CurrentTimestamp\nFROM SYSIBM.SYSDUMMY1;\n<\/code><\/pre>\n<p>\u57f7\u884c\u4e0a\u8ff0\u67e5\u8a62\u5f8c\uff0c\u60a8\u5c07\u7372\u5f97\u4e00\u500b\u5305\u542b\u7576\u524d\u6642\u9593\u3001\u65e5\u671f\u548c\u6642\u9593\u6233\u7684\u7d50\u679c\u96c6\u3002<\/p>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-HRVFbikind\">\u6ce8\u610f\u4e8b\u9805<\/h2>\n<p>\u5728\u4f7f\u7528\u9019\u4e9b\u51fd\u6578\u6642\uff0c\u6709\u5e7e\u9ede\u9700\u8981\u6ce8\u610f\uff1a<\/p>\n<ul>\n<li>DB2\u7684\u6642\u9593\u548c\u65e5\u671f\u662f\u6839\u64da\u4f3a\u670d\u5668\u7684\u6642\u5340\u8a2d\u5b9a\u4f86\u6c7a\u5b9a\u7684\uff0c\u56e0\u6b64\u5728\u8de8\u6642\u5340\u7684\u61c9\u7528\u4e2d\uff0c\u9700\u7279\u5225\u7559\u610f\u6642\u5340\u7684\u5f71\u97ff\u3002<\/li>\n<li>\u5728\u9032\u884c\u6642\u9593\u8a08\u7b97\u6642\uff0cDB2\u63d0\u4f9b\u4e86\u591a\u7a2e\u6642\u9593\u904b\u7b97\u7b26\u548c\u51fd\u6578\uff0c\u4f8b\u5982 <code>ADD<\/code> \u548c <code>SUBTRACT<\/code>\uff0c\u53ef\u4ee5\u7528\u4f86\u9032\u884c\u6642\u9593\u7684\u52a0\u6e1b\u904b\u7b97\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-HRVFbikind\">\u7d50\u8ad6<\/h2>\n<p>\u5728DB2\u4e2d\uff0c\u7372\u53d6\u7576\u524d\u6642\u9593\u3001\u65e5\u671f\u548c\u6642\u9593\u6233\u662f\u975e\u5e38\u7c21\u55ae\u7684\u3002\u900f\u904e\u4f7f\u7528 <code>CURRENT TIME<\/code>\u3001<code>CURRENT DATE<\/code> \u548c <code>CURRENT TIMESTAMP<\/code> \u51fd\u6578\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u5728\u61c9\u7528\u7a0b\u5f0f\u4e2d\u8655\u7406\u6642\u9593\u76f8\u95dc\u7684\u9700\u6c42\u3002\u9019\u4e9b\u57fa\u672c\u7684\u6642\u9593\u64cd\u4f5c\u5c0d\u65bc\u8cc7\u6599\u5eab\u7684\u7ba1\u7406\u548c\u61c9\u7528\u7a0b\u5f0f\u7684\u958b\u767c\u90fd\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u80fd\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u9069\u5408\u5404\u7a2e\u9700\u6c42\u3002\u7121\u8ad6\u662f\u8cc7\u6599\u5eab\u7ba1\u7406\u9084\u662f\u61c9\u7528\u7a0b\u5f0f\u958b\u767c\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2f\u4f3a\u670d\u5668<\/a> \u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u63f4\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22DB2\u4e2d\u7372\u53d6\u7576\u524d\u6642\u9593\u7684\u6b63\u78ba\u89e3\u6790\u65b9\u6cd5\uff0c\u7d93\u5178\u7248\u6307\u5357\u52a9\u4f60\u8f15\u9b06\u638c\u63e1\u6642\u9593\u8655\u7406\u6280\u5de7\uff01<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-60589","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60589","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=60589"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60589\/revisions"}],"predecessor-version":[{"id":60590,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60589\/revisions\/60590"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=60589"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=60589"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=60589"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}