{"id":60761,"date":"2024-10-13T05:35:15","date_gmt":"2024-10-12T21:35:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/60761\/"},"modified":"2024-10-13T05:35:16","modified_gmt":"2024-10-12T21:35:16","slug":"db2%e6%95%b8%e6%93%9a%e5%ba%ab%e8%87%a8%e6%99%82%e8%a1%a8%e5%89%b5%e5%bb%ba%e4%b8%ad%e7%9a%84%e4%ba%8b%e9%a0%85%e6%8f%8f%e8%bf%b0","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/60761\/","title":{"rendered":"DB2\u6578\u64da\u5eab\u81e8\u6642\u8868\u5275\u5efa\u4e2d\u7684\u4e8b\u9805\u63cf\u8ff0"},"content":{"rendered":"<h1 id=\"db2%e6%95%b8%e6%93%9a%e5%ba%ab%e8%87%a8%e6%99%82%e8%a1%a8%e5%89%b5%e5%bb%ba%e4%b8%ad%e7%9a%84%e4%ba%8b%e9%a0%85%e6%8f%8f%e8%bf%b0-hhEHcjCulr\">DB2\u6578\u64da\u5eab\u81e8\u6642\u8868\u5275\u5efa\u4e2d\u7684\u4e8b\u9805\u63cf\u8ff0<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u81e8\u6642\u8868\u662f\u4e00\u7a2e\u975e\u5e38\u6709\u7528\u7684\u5de5\u5177\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u8907\u96dc\u67e5\u8a62\u6216\u9700\u8981\u81e8\u6642\u5b58\u5132\u6578\u64da\u7684\u60c5\u6cc1\u4e0b\u3002DB2\u6578\u64da\u5eab\u4f5c\u70baIBM\u7684\u4e00\u6b3e\u5f37\u5927\u6578\u64da\u5eab\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u9748\u6d3b\u7684\u81e8\u6642\u8868\u5275\u5efa\u529f\u80fd\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5728DB2\u4e2d\u5275\u5efa\u81e8\u6642\u8868\u6642\u9700\u8981\u6ce8\u610f\u7684\u5e7e\u500b\u91cd\u8981\u4e8b\u9805\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e8%87%a8%e6%99%82%e8%a1%a8%ef%bc%9f-hhEHcjCulr\">\u4ec0\u9ebc\u662f\u81e8\u6642\u8868\uff1f<\/h2>\n<p>\u81e8\u6642\u8868\u662f\u7528\u65bc\u5b58\u5132\u81e8\u6642\u6578\u64da\u7684\u8868\uff0c\u9019\u4e9b\u6578\u64da\u5728\u6703\u8a71\u7d50\u675f\u5f8c\u6703\u81ea\u52d5\u522a\u9664\u3002DB2\u652f\u6301\u5169\u7a2e\u985e\u578b\u7684\u81e8\u6642\u8868\uff1a\u6703\u8a71\u81e8\u6642\u8868\u548c\u5168\u5c40\u81e8\u6642\u8868\u3002<\/p>\n<ul>\n<li><strong>\u6703\u8a71\u81e8\u6642\u8868\uff1a<\/strong>\u9019\u7a2e\u8868\u5728\u7528\u6236\u6703\u8a71\u671f\u9593\u5b58\u5728\uff0c\u6703\u8a71\u7d50\u675f\u5f8c\u81ea\u52d5\u522a\u9664\u3002<\/li>\n<li><strong>\u5168\u5c40\u81e8\u6642\u8868\uff1a<\/strong>\u9019\u7a2e\u8868\u5728\u6578\u64da\u5eab\u4e2d\u6301\u4e45\u5b58\u5728\uff0c\u4f46\u5176\u6578\u64da\u5728\u6bcf\u6b21\u6703\u8a71\u7d50\u675f\u5f8c\u6703\u88ab\u6e05\u7a7a\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%89%b5%e5%bb%ba%e8%87%a8%e6%99%82%e8%a1%a8%e7%9a%84%e5%9f%ba%e6%9c%ac%e8%aa%9e%e6%b3%95-hhEHcjCulr\">\u5275\u5efa\u81e8\u6642\u8868\u7684\u57fa\u672c\u8a9e\u6cd5<\/h2>\n<p>\u5728DB2\u4e2d\u5275\u5efa\u81e8\u6642\u8868\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre><code>CREATE TEMPORARY TABLE temp_table_name (\n    column1 datatype,\n    column2 datatype,\n    ...\n);<\/code><\/pre>\n<p>\u4f8b\u5982\uff0c\u5275\u5efa\u4e00\u500b\u540d\u70ba\u201ctemp_sales\u201d\u7684\u6703\u8a71\u81e8\u6642\u8868\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\uff1a<\/p>\n<pre><code>CREATE TEMPORARY TABLE temp_sales (\n    sale_id INT,\n    sale_amount DECIMAL(10, 2),\n    sale_date DATE\n);<\/code><\/pre>\n<h2 id=\"%e5%89%b5%e5%bb%ba%e8%87%a8%e6%99%82%e8%a1%a8%e6%99%82%e7%9a%84%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a0%85-hhEHcjCulr\">\u5275\u5efa\u81e8\u6642\u8868\u6642\u7684\u6ce8\u610f\u4e8b\u9805<\/h2>\n<h3 id=\"1-%e8%a1%a8%e5%90%8d%e7%9a%84%e5%91%bd%e5%90%8d%e8%a6%8f%e5%89%87-hhEHcjCulr\">1. \u8868\u540d\u7684\u547d\u540d\u898f\u5247<\/h3>\n<p>\u5728DB2\u4e2d\uff0c\u81e8\u6642\u8868\u7684\u540d\u7a31\u5fc5\u9808\u9075\u5faa\u6a19\u6e96\u7684\u547d\u540d\u898f\u5247\u3002\u901a\u5e38\u5efa\u8b70\u4f7f\u7528\u524d\u7db4\u201ctemp_\u201d\u4f86\u6a19\u8b58\u81e8\u6642\u8868\uff0c\u4ee5\u4fbf\u65bc\u8b58\u5225\u548c\u7ba1\u7406\u3002<\/p>\n<h3 id=\"2-%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b%e7%9a%84%e9%81%b8%e6%93%87-hhEHcjCulr\">2. \u6578\u64da\u985e\u578b\u7684\u9078\u64c7<\/h3>\n<p>\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u985e\u578b\u5c0d\u65bc\u81e8\u6642\u8868\u7684\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002DB2\u652f\u6301\u591a\u7a2e\u6578\u64da\u985e\u578b\uff0c\u5305\u62ec\u6574\u6578\u3001\u5b57\u7b26\u3001\u65e5\u671f\u7b49\u3002\u6839\u64da\u5be6\u969b\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u985e\u578b\uff0c\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u3002<\/p>\n<h3 id=\"3-%e7%b4%a2%e5%bc%95%e7%9a%84%e4%bd%bf%e7%94%a8-hhEHcjCulr\">3. \u7d22\u5f15\u7684\u4f7f\u7528<\/h3>\n<p>\u5728\u81e8\u6642\u8868\u4e0a\u5275\u5efa\u7d22\u5f15\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002\u96d6\u7136\u81e8\u6642\u8868\u7684\u6578\u64da\u662f\u77ed\u66ab\u7684\uff0c\u4f46\u5728\u9032\u884c\u5927\u91cf\u6578\u64da\u64cd\u4f5c\u6642\uff0c\u7d22\u5f15\u7684\u4f7f\u7528\u4ecd\u7136\u662f\u503c\u5f97\u8003\u616e\u7684\u3002<\/p>\n<pre><code>CREATE INDEX idx_sale_id ON temp_sales(sale_id);<\/code><\/pre>\n<h3 id=\"4-%e6%9c%83%e8%a9%b1%e7%ae%a1%e7%90%86-hhEHcjCulr\">4. \u6703\u8a71\u7ba1\u7406<\/h3>\n<p>\u7531\u65bc\u6703\u8a71\u81e8\u6642\u8868\u7684\u6578\u64da\u5728\u6703\u8a71\u7d50\u675f\u5f8c\u6703\u88ab\u522a\u9664\uff0c\u56e0\u6b64\u5728\u4f7f\u7528\u9019\u985e\u8868\u6642\uff0c\u9700\u8981\u6ce8\u610f\u6703\u8a71\u7684\u7ba1\u7406\u3002\u78ba\u4fdd\u5728\u6703\u8a71\u7d50\u675f\u524d\u5b8c\u6210\u6240\u6709\u5fc5\u8981\u7684\u6578\u64da\u64cd\u4f5c\uff0c\u4ee5\u907f\u514d\u6578\u64da\u4e1f\u5931\u3002<\/p>\n<h3 id=\"5-%e6%80%a7%e8%83%bd%e8%80%83%e9%87%8f-hhEHcjCulr\">5. \u6027\u80fd\u8003\u91cf<\/h3>\n<p>\u96d6\u7136\u81e8\u6642\u8868\u63d0\u4f9b\u4e86\u9748\u6d3b\u6027\uff0c\u4f46\u904e\u5ea6\u4f7f\u7528\u53ef\u80fd\u6703\u5f71\u97ff\u6578\u64da\u5eab\u6027\u80fd\u3002\u5efa\u8b70\u5728\u5fc5\u8981\u6642\u4f7f\u7528\u81e8\u6642\u8868\uff0c\u4e26\u5b9a\u671f\u8a55\u4f30\u5176\u5c0d\u7cfb\u7d71\u6027\u80fd\u7684\u5f71\u97ff\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-hhEHcjCulr\">\u7d50\u8ad6<\/h2>\n<p>DB2\u6578\u64da\u5eab\u7684\u81e8\u6642\u8868\u529f\u80fd\u70ba\u6578\u64da\u8655\u7406\u63d0\u4f9b\u4e86\u9748\u6d3b\u7684\u89e3\u6c7a\u65b9\u6848\u3002\u5728\u5275\u5efa\u81e8\u6642\u8868\u6642\uff0c\u9075\u5faa\u547d\u540d\u898f\u5247\u3001\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u985e\u578b\u3001\u8003\u616e\u7d22\u5f15\u7684\u4f7f\u7528\u3001\u7ba1\u7406\u6703\u8a71\u4ee5\u53ca\u8a55\u4f30\u6027\u80fd\u90fd\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u9019\u4e9b\u6ce8\u610f\u4e8b\u9805\u5c07\u5e6b\u52a9\u7528\u6236\u66f4\u6709\u6548\u5730\u5229\u7528DB2\u7684\u81e8\u6642\u8868\u529f\u80fd\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u7684\u6548\u7387\u3002<\/p>\n<p>\u5982\u9700\u4e86\u89e3\u66f4\u591a\u95dc\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u548c\u76f8\u95dc\u6280\u8853\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9 <a href=\"https:\/\/server.hk\">Server.HK<\/a>\uff0c\u6211\u5011\u63d0\u4f9b\u5404\u7a2e <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u6578\u64da\u5eab\u548c\u61c9\u7528\u7a0b\u5e8f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3DB2\u6578\u64da\u5eab\u81e8\u6642\u8868\u5275\u5efa\u7684\u95dc\u9375\u4e8b\u9805\uff0c\u5305\u62ec\u8a9e\u6cd5\u3001\u6027\u80fd\u512a\u5316\u53ca\u4f7f\u7528\u5834\u666f\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\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-60761","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60761","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=60761"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60761\/revisions"}],"predecessor-version":[{"id":60762,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60761\/revisions\/60762"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=60761"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=60761"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=60761"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}