{"id":60775,"date":"2024-10-13T05:42:15","date_gmt":"2024-10-12T21:42:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/60775\/"},"modified":"2024-10-13T05:42:15","modified_gmt":"2024-10-12T21:42:15","slug":"db2%e6%95%b8%e6%93%9a%e5%ba%ab%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","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/60775\/","title":{"rendered":"DB2\u6578\u64da\u5eab\u53d6\u5f97\u7576\u524d\u6642\u9593\u7684\u6b63\u78ba\u89e3\u6790"},"content":{"rendered":"<h1 id=\"db2%e6%95%b8%e6%93%9a%e5%ba%ab%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-WrXtWteptw\">DB2\u6578\u64da\u5eab\u53d6\u5f97\u7576\u524d\u6642\u9593\u7684\u6b63\u78ba\u89e3\u6790<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c\u6642\u9593\u7684\u7ba1\u7406\u662f\u975e\u5e38\u91cd\u8981\u7684\u4e00\u74b0\u3002\u5c0d\u65bc\u4f7f\u7528IBM DB2\u6578\u64da\u5eab\u7684\u958b\u767c\u8005\u4f86\u8aaa\uff0c\u6b63\u78ba\u5730\u53d6\u5f97\u7576\u524d\u6642\u9593\u4e0d\u50c5\u80fd\u5920\u63d0\u9ad8\u6578\u64da\u7684\u6e96\u78ba\u6027\uff0c\u9084\u80fd\u5920\u5728\u6578\u64da\u5206\u6790\u548c\u5831\u544a\u4e2d\u63d0\u4f9b\u91cd\u8981\u7684\u6642\u9593\u6233\u8a18\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\u76f8\u95dc\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-WrXtWteptw\">DB2\u4e2d\u7684\u6642\u9593\u985e\u578b<\/h2>\n<p>\u5728DB2\u4e2d\uff0c\u6642\u9593\u7684\u8868\u793a\u4e3b\u8981\u6709\u4e09\u7a2e\u6578\u64da\u985e\u578b\uff1a<code>TIME<\/code>\u3001<code>DATE<\/code>\u548c<code>TIMESTAMP<\/code>\u3002\u9019\u4e09\u7a2e\u6578\u64da\u985e\u578b\u5404\u81ea\u6709\u4e0d\u540c\u7684\u7528\u9014\uff1a<\/p>\n<ul>\n<li><code>TIME<\/code>\uff1a\u8868\u793a\u4e00\u5929\u4e2d\u7684\u6642\u9593\uff0c\u683c\u5f0f\u70baHH:MM:SS\u3002<\/li>\n<li><code>DATE<\/code>\uff1a\u8868\u793a\u65e5\u671f\uff0c\u683c\u5f0f\u70baYYYY-MM-DD\u3002<\/li>\n<li><code>TIMESTAMP<\/code>\uff1a\u540c\u6642\u8868\u793a\u65e5\u671f\u548c\u6642\u9593\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-WrXtWteptw\">\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\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u7bc4\u4f8b\uff1a<\/p>\n<h3 id=\"1-%e5%8f%96%e5%be%97%e7%95%b6%e5%89%8d%e6%99%82%e9%96%93-WrXtWteptw\">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-WrXtWteptw\">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-WrXtWteptw\">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%e5%a0%b4%e6%99%af-WrXtWteptw\">\u4f7f\u7528\u5834\u666f<\/h2>\n<p>\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u53d6\u5f97\u7576\u524d\u6642\u9593\u7684\u529f\u80fd\u53ef\u4ee5\u7528\u65bc\u591a\u7a2e\u5834\u666f\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>\u8a18\u9304\u6578\u64da\u7684\u63d2\u5165\u6216\u66f4\u65b0\u6642\u9593\u3002<\/li>\n<li>\u751f\u6210\u5831\u544a\u6642\u7684\u6642\u9593\u6233\u8a18\u3002<\/li>\n<li>\u9032\u884c\u6642\u9593\u76f8\u95dc\u7684\u6578\u64da\u5206\u6790\uff0c\u4f8b\u5982\u8a08\u7b97\u67d0\u4e00\u4e8b\u4ef6\u7684\u6301\u7e8c\u6642\u9593\u3002<\/li>\n<\/ul>\n<h2 id=\"%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-WrXtWteptw\">\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\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\u9700\u8981\u7279\u5225\u7559\u610f\u3002<\/li>\n<li>\u5728\u9032\u884c\u6642\u9593\u8a08\u7b97\u6642\uff0c\u61c9\u8a72\u8003\u616e\u5230\u590f\u4ee4\u6642\u9593\u7684\u5f71\u97ff\u3002<\/li>\n<li>\u4f7f\u7528<code>CURRENT TIMESTAMP<\/code>\u6642\uff0c\u8fd4\u56de\u7684\u6642\u9593\u7cbe\u5ea6\u53ef\u4ee5\u9054\u5230\u5fae\u79d2\u7d1a\u5225\uff0c\u9019\u5728\u67d0\u4e9b\u61c9\u7528\u4e2d\u53ef\u80fd\u662f\u5fc5\u8981\u7684\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b5%90%e8%ab%96-WrXtWteptw\">\u7d50\u8ad6<\/h2>\n<p>\u5728DB2\u6578\u64da\u5eab\u4e2d\uff0c\u6b63\u78ba\u5730\u53d6\u5f97\u7576\u524d\u6642\u9593\u662f\u6578\u64da\u7ba1\u7406\u548c\u5206\u6790\u7684\u91cd\u8981\u7d44\u6210\u90e8\u5206\u3002\u901a\u904e\u4f7f\u7528<code>CURRENT TIME<\/code>\u3001<code>CURRENT DATE<\/code>\u548c<code>CURRENT TIMESTAMP<\/code>\u7b49\u51fd\u6578\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u7372\u53d6\u6240\u9700\u7684\u6642\u9593\u4fe1\u606f\u3002\u9019\u4e0d\u50c5\u80fd\u63d0\u9ad8\u6578\u64da\u7684\u6e96\u78ba\u6027\uff0c\u9084\u80fd\u5728\u591a\u7a2e\u61c9\u7528\u5834\u666f\u4e2d\u767c\u63ee\u91cd\u8981\u4f5c\u7528\u3002<\/p>\n<p>\u5982\u9700\u9032\u4e00\u6b65\u4e86\u89e3DB2\u6578\u64da\u5eab\u7684\u4f7f\u7528\uff0c\u6216\u5c0b\u627e\u5408\u9069\u7684<code><a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a><\/code>\u89e3\u6c7a\u65b9\u6848\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u5728DB2\u6578\u64da\u5eab\u4e2d\u6b63\u78ba\u7372\u53d6\u7576\u524d\u6642\u9593\uff0c\u78ba\u4fdd\u6578\u64da\u6e96\u78ba\u6027\u8207\u67e5\u8a62\u6548\u7387\u3002<\/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-60775","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60775","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=60775"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60775\/revisions"}],"predecessor-version":[{"id":60776,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60775\/revisions\/60776"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=60775"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=60775"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=60775"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}