{"id":60357,"date":"2024-10-13T02:11:17","date_gmt":"2024-10-12T18:11:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/60357\/"},"modified":"2024-10-13T02:11:17","modified_gmt":"2024-10-12T18:11:17","slug":"db2-%e5%9f%ba%e7%a4%8e%e6%97%a5%e6%9c%9f%e6%97%a5%e6%9c%9f%e8%88%87%e6%99%82%e9%96%93%e7%9a%84%e4%bd%bf%e7%94%a8%ef%bc%8c%e5%88%9d%e5%a7%8b%e7%af%87","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/60357\/","title":{"rendered":"DB2 \u57fa\u790e\u65e5\u671f\u65e5\u671f\u8207\u6642\u9593\u7684\u4f7f\u7528\uff0c\u521d\u59cb\u7bc7"},"content":{"rendered":"<h1 id=\"db2-%e5%9f%ba%e7%a4%8e%e6%97%a5%e6%9c%9f%e8%88%87%e6%99%82%e9%96%93%e7%9a%84%e4%bd%bf%e7%94%a8%ef%bc%8c%e5%88%9d%e5%a7%8b%e7%af%87-aRRyaGAthj\">DB2 \u57fa\u790e\u65e5\u671f\u8207\u6642\u9593\u7684\u4f7f\u7528\uff0c\u521d\u59cb\u7bc7<\/h1>\n<p>\u5728\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c\u65e5\u671f\u8207\u6642\u9593\u7684\u8655\u7406\u662f\u975e\u5e38\u91cd\u8981\u7684\u4e00\u74b0\u3002IBM \u7684 DB2 \u8cc7\u6599\u5eab\u7cfb\u7d71\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u8655\u7406\u65e5\u671f\u548c\u6642\u9593\u8cc7\u6599\u985e\u578b\u3002\u672c\u6587\u5c07\u4ecb\u7d39 DB2 \u4e2d\u65e5\u671f\u8207\u6642\u9593\u7684\u57fa\u672c\u4f7f\u7528\uff0c\u5e6b\u52a9\u8b80\u8005\u7406\u89e3\u5982\u4f55\u5728 DB2 \u4e2d\u6709\u6548\u5730\u64cd\u4f5c\u9019\u4e9b\u8cc7\u6599\u985e\u578b\u3002<\/p>\n<h2 id=\"1-db2-%e4%b8%ad%e7%9a%84%e6%97%a5%e6%9c%9f%e8%88%87%e6%99%82%e9%96%93%e8%b3%87%e6%96%99%e9%a1%9e%e5%9e%8b-aRRyaGAthj\">1. DB2 \u4e2d\u7684\u65e5\u671f\u8207\u6642\u9593\u8cc7\u6599\u985e\u578b<\/h2>\n<p>\u5728 DB2 \u4e2d\uff0c\u4e3b\u8981\u6709\u4ee5\u4e0b\u5e7e\u7a2e\u8cc7\u6599\u985e\u578b\u7528\u65bc\u5b58\u5132\u65e5\u671f\u548c\u6642\u9593\uff1a<\/p>\n<ul>\n<li><strong>DATE<\/strong>: \u7528\u65bc\u5b58\u5132\u65e5\u671f\uff0c\u683c\u5f0f\u70ba YYYY-MM-DD\u3002<\/li>\n<li><strong>TIME<\/strong>: \u7528\u65bc\u5b58\u5132\u6642\u9593\uff0c\u683c\u5f0f\u70ba HH:MM:SS\u3002<\/li>\n<li><strong>TIMESTAMP<\/strong>: \u7528\u65bc\u5b58\u5132\u65e5\u671f\u548c\u6642\u9593\u7684\u7d44\u5408\uff0c\u683c\u5f0f\u70ba YYYY-MM-DD HH:MM:SS\u3002<\/li>\n<\/ul>\n<p>\u9019\u4e9b\u8cc7\u6599\u985e\u578b\u7684\u9078\u64c7\u53d6\u6c7a\u65bc\u61c9\u7528\u9700\u6c42\u3002\u4f8b\u5982\uff0c\u5982\u679c\u53ea\u9700\u8981\u5b58\u5132\u65e5\u671f\uff0c\u5247\u4f7f\u7528 DATE \u985e\u578b\u5373\u53ef\uff1b\u5982\u679c\u9700\u8981\u540c\u6642\u5b58\u5132\u65e5\u671f\u548c\u6642\u9593\uff0c\u5247\u61c9\u9078\u64c7 TIMESTAMP \u985e\u578b\u3002<\/p>\n<h2 id=\"2-%e5%89%b5%e5%bb%ba%e8%a1%a8%e6%a0%bc%e6%99%82%e4%bd%bf%e7%94%a8%e6%97%a5%e6%9c%9f%e8%88%87%e6%99%82%e9%96%93-aRRyaGAthj\">2. \u5275\u5efa\u8868\u683c\u6642\u4f7f\u7528\u65e5\u671f\u8207\u6642\u9593<\/h2>\n<p>\u5728\u5275\u5efa\u8868\u683c\u6642\uff0c\u53ef\u4ee5\u6307\u5b9a\u65e5\u671f\u548c\u6642\u9593\u7684\u8cc7\u6599\u985e\u578b\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b SQL \u8a9e\u53e5\uff0c\u5c55\u793a\u5982\u4f55\u5275\u5efa\u4e00\u500b\u5305\u542b\u65e5\u671f\u548c\u6642\u9593\u6b04\u4f4d\u7684\u8868\u683c\uff1a<\/p>\n<pre><code>\nCREATE TABLE \u4e8b\u4ef6 (\n    \u4e8b\u4ef6ID INT PRIMARY KEY,\n    \u4e8b\u4ef6\u540d\u7a31 VARCHAR(100),\n    \u4e8b\u4ef6\u65e5\u671f DATE,\n    \u4e8b\u4ef6\u6642\u9593 TIME,\n    \u4e8b\u4ef6\u6642\u9593\u6233 TIMESTAMP\n);\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70ba\u300c\u4e8b\u4ef6\u300d\u7684\u8868\u683c\uff0c\u5305\u542b\u4e8b\u4ef6ID\u3001\u4e8b\u4ef6\u540d\u7a31\u3001\u4e8b\u4ef6\u65e5\u671f\u3001\u4e8b\u4ef6\u6642\u9593\u548c\u4e8b\u4ef6\u6642\u9593\u6233\u4e94\u500b\u6b04\u4f4d\u3002<\/p>\n<h2 id=\"3-%e6%8f%92%e5%85%a5%e6%97%a5%e6%9c%9f%e8%88%87%e6%99%82%e9%96%93%e8%b3%87%e6%96%99-aRRyaGAthj\">3. \u63d2\u5165\u65e5\u671f\u8207\u6642\u9593\u8cc7\u6599<\/h2>\n<p>\u63d2\u5165\u8cc7\u6599\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528\u6a19\u6e96\u7684 SQL \u8a9e\u6cd5\u4f86\u63d2\u5165\u65e5\u671f\u548c\u6642\u9593\u3002\u4ee5\u4e0b\u662f\u63d2\u5165\u8cc7\u6599\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nINSERT INTO \u4e8b\u4ef6 (\u4e8b\u4ef6ID, \u4e8b\u4ef6\u540d\u7a31, \u4e8b\u4ef6\u65e5\u671f, \u4e8b\u4ef6\u6642\u9593, \u4e8b\u4ef6\u6642\u9593\u6233)\nVALUES (1, '\u958b\u767c\u6703\u8b70', '2023-10-01', '10:00:00', '2023-10-01 10:00:00');\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u63d2\u5165\u4e86\u4e00\u689d\u4e8b\u4ef6\u8cc7\u6599\uff0c\u5305\u542b\u4e86\u4e8b\u4ef6\u7684\u5404\u500b\u5c6c\u6027\u3002<\/p>\n<h2 id=\"4-%e6%9f%a5%e8%a9%a2%e6%97%a5%e6%9c%9f%e8%88%87%e6%99%82%e9%96%93%e8%b3%87%e6%96%99-aRRyaGAthj\">4. \u67e5\u8a62\u65e5\u671f\u8207\u6642\u9593\u8cc7\u6599<\/h2>\n<p>\u67e5\u8a62\u8cc7\u6599\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528\u5404\u7a2e\u51fd\u6578\u4f86\u64cd\u4f5c\u65e5\u671f\u548c\u6642\u9593\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u7528\u7684\u67e5\u8a62\u793a\u4f8b\uff1a<\/p>\n<pre><code>\n-- \u67e5\u8a62\u6240\u6709\u4e8b\u4ef6\nSELECT * FROM \u4e8b\u4ef6;\n\n-- \u67e5\u8a62\u7279\u5b9a\u65e5\u671f\u7684\u4e8b\u4ef6\nSELECT * FROM \u4e8b\u4ef6 WHERE \u4e8b\u4ef6\u65e5\u671f = '2023-10-01';\n\n-- \u67e5\u8a62\u5728\u7279\u5b9a\u6642\u9593\u4e4b\u5f8c\u7684\u4e8b\u4ef6\nSELECT * FROM \u4e8b\u4ef6 WHERE \u4e8b\u4ef6\u6642\u9593\u6233 &gt; '2023-10-01 09:00:00';\n<\/code><\/pre>\n<p>\u9019\u4e9b\u67e5\u8a62\u5c55\u793a\u4e86\u5982\u4f55\u6839\u64da\u65e5\u671f\u548c\u6642\u9593\u7be9\u9078\u8cc7\u6599\uff0c\u5e6b\u52a9\u7528\u6236\u7372\u53d6\u6240\u9700\u7684\u8cc7\u8a0a\u3002<\/p>\n<h2 id=\"5-%e6%97%a5%e6%9c%9f%e8%88%87%e6%99%82%e9%96%93%e7%9a%84%e5%87%bd%e6%95%b8-aRRyaGAthj\">5. \u65e5\u671f\u8207\u6642\u9593\u7684\u51fd\u6578<\/h2>\n<p>DB2 \u63d0\u4f9b\u4e86\u591a\u7a2e\u51fd\u6578\u4f86\u8655\u7406\u65e5\u671f\u548c\u6642\u9593\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li><strong>CURRENT DATE<\/strong>: \u7372\u53d6\u7576\u524d\u65e5\u671f\u3002<\/li>\n<li><strong>CURRENT TIME<\/strong>: \u7372\u53d6\u7576\u524d\u6642\u9593\u3002<\/li>\n<li><strong>CURRENT TIMESTAMP<\/strong>: \u7372\u53d6\u7576\u524d\u65e5\u671f\u548c\u6642\u9593\u3002<\/li>\n<li><strong>DATEADD<\/strong>: \u7528\u65bc\u5728\u65e5\u671f\u4e0a\u52a0\u4e0a\u6307\u5b9a\u7684\u6642\u9593\u3002<\/li>\n<\/ul>\n<p>\u9019\u4e9b\u51fd\u6578\u53ef\u4ee5\u5e6b\u52a9\u7528\u6236\u5728\u67e5\u8a62\u548c\u64cd\u4f5c\u8cc7\u6599\u6642\u66f4\u65b9\u4fbf\u5730\u8655\u7406\u65e5\u671f\u548c\u6642\u9593\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-aRRyaGAthj\">\u7e3d\u7d50<\/h2>\n<p>\u672c\u6587\u4ecb\u7d39\u4e86 DB2 \u4e2d\u65e5\u671f\u8207\u6642\u9593\u7684\u57fa\u672c\u4f7f\u7528\uff0c\u5305\u62ec\u8cc7\u6599\u985e\u578b\u3001\u5275\u5efa\u8868\u683c\u3001\u63d2\u5165\u8cc7\u6599\u3001\u67e5\u8a62\u8cc7\u6599\u53ca\u5e38\u7528\u51fd\u6578\u3002\u638c\u63e1\u9019\u4e9b\u57fa\u790e\u77e5\u8b58\u5f8c\uff0c\u4f7f\u7528\u8005\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u7ba1\u7406\u548c\u64cd\u4f5c\u8cc7\u6599\u5eab\u4e2d\u7684\u65e5\u671f\u8207\u6642\u9593\u8cc7\u6599\u3002\u82e5\u60a8\u5c0d\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2f VPS<\/a> \u670d\u52d9\u6709\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22DB2\u4e2d\u65e5\u671f\u8207\u6642\u9593\u7684\u57fa\u790e\u4f7f\u7528\uff0c\u4e86\u89e3\u5982\u4f55\u6709\u6548\u7ba1\u7406\u548c\u64cd\u4f5c\u65e5\u671f\u8cc7\u6599\uff0c\u9069\u5408\u521d\u5b78\u8005\u5165\u9580\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-60357","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60357","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=60357"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60357\/revisions"}],"predecessor-version":[{"id":60358,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60357\/revisions\/60358"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=60357"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=60357"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=60357"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}