{"id":60537,"date":"2024-10-13T03:41:12","date_gmt":"2024-10-12T19:41:12","guid":{"rendered":"https:\/\/server.hk\/cnblog\/60537\/"},"modified":"2024-10-13T03:41:12","modified_gmt":"2024-10-12T19:41:12","slug":"db2%e5%bb%ba%e7%ab%8bdatabase-partition%e8%a6%81%e7%94%a8%e7%9a%84%e9%a0%85%e7%9b%ae%e6%9c%89%e5%93%aa%e4%ba%9b%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/60537\/","title":{"rendered":"DB2\u5efa\u7acbdatabase Partition\u8981\u7528\u7684\u9805\u76ee\u6709\u54ea\u4e9b\uff1f"},"content":{"rendered":"<h1 id=\"db2%e5%bb%ba%e7%ab%8bdatabase-partition%e8%a6%81%e7%94%a8%e7%9a%84%e9%a0%85%e7%9b%ae%e6%9c%89%e5%93%aa%e4%ba%9b%ef%bc%9f-kBlCdbPrEH\">DB2\u5efa\u7acbDatabase Partition\u8981\u7528\u7684\u9805\u76ee\u6709\u54ea\u4e9b\uff1f<\/h1>\n<p>\u5728\u73fe\u4eca\u7684\u6578\u64da\u7ba1\u7406\u74b0\u5883\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u81f3\u95dc\u91cd\u8981\u3002IBM\u7684DB2\u6578\u64da\u5eab\u7cfb\u7d71\u63d0\u4f9b\u4e86\u5206\u5340\uff08Partitioning\uff09\u529f\u80fd\uff0c\u9019\u4f7f\u5f97\u7528\u6236\u80fd\u5920\u5c07\u6578\u64da\u5206\u6563\u5230\u591a\u500b\u7269\u7406\u6216\u908f\u8f2f\u5206\u5340\u4e2d\uff0c\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u548c\u6578\u64da\u7ba1\u7406\u7684\u9748\u6d3b\u6027\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5728DB2\u4e2d\u5efa\u7acb\u6578\u64da\u5eab\u5206\u5340\u6240\u9700\u7684\u4e3b\u8981\u9805\u76ee\u3002<\/p>\n<h2 id=\"1-%e5%88%86%e5%8d%80%e9%a1%9e%e5%9e%8b-kBlCdbPrEH\">1. \u5206\u5340\u985e\u578b<\/h2>\n<p>\u5728DB2\u4e2d\uff0c\u5206\u5340\u4e3b\u8981\u6709\u5169\u7a2e\u985e\u578b\uff1a<\/p>\n<ul>\n<li><strong>\u7bc4\u570d\u5206\u5340\uff08Range Partitioning\uff09<\/strong>\uff1a\u6839\u64da\u67d0\u500b\u7bc4\u570d\u7684\u503c\u5c07\u6578\u64da\u5206\u914d\u5230\u4e0d\u540c\u7684\u5206\u5340\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u6839\u64da\u65e5\u671f\u7bc4\u570d\u5c07\u6578\u64da\u5206\u5340\u3002<\/li>\n<li><strong>\u5217\u8868\u5206\u5340\uff08List Partitioning\uff09<\/strong>\uff1a\u6839\u64da\u7279\u5b9a\u7684\u503c\u5217\u8868\u5c07\u6578\u64da\u5206\u914d\u5230\u4e0d\u540c\u7684\u5206\u5340\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u6839\u64da\u5730\u5340\u6216\u985e\u5225\u5c07\u6578\u64da\u5206\u5340\u3002<\/li>\n<\/ul>\n<h2 id=\"2-%e5%88%86%e5%8d%80%e9%8d%b5-kBlCdbPrEH\">2. \u5206\u5340\u9375<\/h2>\n<p>\u9078\u64c7\u5408\u9069\u7684\u5206\u5340\u9375\u662f\u5efa\u7acb\u5206\u5340\u7684\u95dc\u9375\u3002\u5206\u5340\u9375\u61c9\u8a72\u662f\u80fd\u5920\u6709\u6548\u5206\u6563\u6578\u64da\u7684\u5217\uff0c\u901a\u5e38\u662f\u67e5\u8a62\u4e2d\u7d93\u5e38\u4f7f\u7528\u7684\u5217\u3002\u9078\u64c7\u4e0d\u7576\u7684\u5206\u5340\u9375\u53ef\u80fd\u5c0e\u81f4\u6578\u64da\u4e0d\u5747\u52fb\u5206\u4f48\uff0c\u5f9e\u800c\u5f71\u97ff\u6027\u80fd\u3002<\/p>\n<h2 id=\"3-%e5%88%86%e5%8d%80%e6%95%b8%e9%87%8f-kBlCdbPrEH\">3. \u5206\u5340\u6578\u91cf<\/h2>\n<p>\u5728\u8a2d\u8a08\u5206\u5340\u6642\uff0c\u5fc5\u9808\u8003\u616e\u5206\u5340\u7684\u6578\u91cf\u3002\u904e\u591a\u7684\u5206\u5340\u53ef\u80fd\u6703\u5c0e\u81f4\u7ba1\u7406\u4e0a\u7684\u8907\u96dc\u6027\uff0c\u800c\u904e\u5c11\u7684\u5206\u5340\u5247\u53ef\u80fd\u7121\u6cd5\u5145\u5206\u5229\u7528\u786c\u9ad4\u8cc7\u6e90\u3002\u4e00\u822c\u5efa\u8b70\u6839\u64da\u6578\u64da\u91cf\u548c\u67e5\u8a62\u6a21\u5f0f\u4f86\u6c7a\u5b9a\u5206\u5340\u7684\u6578\u91cf\u3002<\/p>\n<h2 id=\"4-%e5%88%86%e5%8d%80%e8%a1%a8%e7%9a%84%e5%89%b5%e5%bb%ba-kBlCdbPrEH\">4. \u5206\u5340\u8868\u7684\u5275\u5efa<\/h2>\n<p>\u5728DB2\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528SQL\u8a9e\u53e5\u4f86\u5275\u5efa\u5206\u5340\u8868\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7bc4\u4f8b\uff1a<\/p>\n<pre><code>CREATE TABLE sales (\n    id INT,\n    sale_date DATE,\n    amount DECIMAL(10, 2)\n) PARTITION BY RANGE (sale_date) (\n    PARTITION p1 STARTING FROM ('2023-01-01') ENDING AT ('2023-06-30'),\n    PARTITION p2 STARTING FROM ('2023-07-01') ENDING AT ('2023-12-31')\n);<\/code><\/pre>\n<p>\u9019\u6bb5\u4ee3\u78bc\u5275\u5efa\u4e86\u4e00\u500b\u540d\u70basales\u7684\u8868\uff0c\u4e26\u6839\u64da\u92b7\u552e\u65e5\u671f\u9032\u884c\u7bc4\u570d\u5206\u5340\u3002<\/p>\n<h2 id=\"5-%e5%88%86%e5%8d%80%e7%ae%a1%e7%90%86-kBlCdbPrEH\">5. \u5206\u5340\u7ba1\u7406<\/h2>\n<p>\u4e00\u65e6\u5206\u5340\u8868\u5275\u5efa\u5b8c\u6210\uff0c\u5f8c\u7e8c\u7684\u7ba1\u7406\u5de5\u4f5c\u4e5f\u975e\u5e38\u91cd\u8981\u3002DB2\u63d0\u4f9b\u4e86\u591a\u7a2e\u5de5\u5177\u548c\u547d\u4ee4\u4f86\u7ba1\u7406\u5206\u5340\uff0c\u5305\u62ec\u6dfb\u52a0\u3001\u522a\u9664\u548c\u5408\u4f75\u5206\u5340\u7b49\u3002\u9019\u4e9b\u64cd\u4f5c\u53ef\u4ee5\u5e6b\u52a9\u7528\u6236\u6839\u64da\u5be6\u969b\u9700\u6c42\u8abf\u6574\u6578\u64da\u7d50\u69cb\u3002<\/p>\n<h2 id=\"6-%e6%80%a7%e8%83%bd%e8%80%83%e9%87%8f-kBlCdbPrEH\">6. \u6027\u80fd\u8003\u91cf<\/h2>\n<p>\u5728\u8a2d\u8a08\u5206\u5340\u6642\uff0c\u5fc5\u9808\u8003\u616e\u6027\u80fd\u56e0\u7d20\u3002\u5206\u5340\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u4f46\u4e0d\u7576\u7684\u8a2d\u8a08\u53ef\u80fd\u6703\u5c0e\u81f4\u6027\u80fd\u4e0b\u964d\u3002\u56e0\u6b64\uff0c\u5efa\u8b70\u5728\u5be6\u65bd\u5206\u5340\u4e4b\u524d\u9032\u884c\u6027\u80fd\u6e2c\u8a66\uff0c\u4ee5\u78ba\u4fdd\u6240\u9078\u65b9\u6848\u80fd\u5920\u6eff\u8db3\u696d\u52d9\u9700\u6c42\u3002<\/p>\n<h2 id=\"7-%e7%9b%a3%e6%8e%a7%e8%88%87%e8%aa%bf%e5%84%aa-kBlCdbPrEH\">7. \u76e3\u63a7\u8207\u8abf\u512a<\/h2>\n<p>\u6700\u5f8c\uff0c\u6301\u7e8c\u7684\u76e3\u63a7\u548c\u8abf\u512a\u662f\u78ba\u4fdd\u5206\u5340\u8868\u6027\u80fd\u7684\u95dc\u9375\u3002DB2\u63d0\u4f9b\u4e86\u591a\u7a2e\u76e3\u63a7\u5de5\u5177\uff0c\u53ef\u4ee5\u5e6b\u52a9\u7528\u6236\u5206\u6790\u67e5\u8a62\u6027\u80fd\u548c\u8cc7\u6e90\u4f7f\u7528\u60c5\u6cc1\uff0c\u5f9e\u800c\u9032\u884c\u5fc5\u8981\u7684\u8abf\u6574\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-kBlCdbPrEH\">\u7e3d\u7d50<\/h2>\n<p>\u5728DB2\u4e2d\u5efa\u7acb\u6578\u64da\u5eab\u5206\u5340\u662f\u4e00\u500b\u6d89\u53ca\u591a\u500b\u65b9\u9762\u7684\u904e\u7a0b\uff0c\u5305\u62ec\u9078\u64c7\u5408\u9069\u7684\u5206\u5340\u985e\u578b\u3001\u9375\u3001\u6578\u91cf\u4ee5\u53ca\u5f8c\u7e8c\u7684\u7ba1\u7406\u548c\u6027\u80fd\u8abf\u512a\u3002\u900f\u904e\u5408\u7406\u7684\u8a2d\u8a08\u548c\u7ba1\u7406\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u3002\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5728\u9999\u6e2f\u7684VPS\u74b0\u5883\u4e2d\u5be6\u65bdDB2\u5206\u5340\u6709\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4e86\u89e3\u66f4\u591a\u8cc7\u8a0a\uff0c\u63a2\u7d22\u6211\u5011\u7684<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3DB2\u5efa\u7acb\u8cc7\u6599\u5eab\u5206\u5340\u6240\u9700\u7684\u9805\u76ee\uff0c\u5305\u62ec\u5206\u5340\u7b56\u7565\u3001\u8868\u7a7a\u9593\u3001\u5206\u5340\u9375\u53ca\u914d\u7f6e\u9078\u9805\uff0c\u63d0\u5347\u6548\u80fd\u8207\u7ba1\u7406\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-60537","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60537","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=60537"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60537\/revisions"}],"predecessor-version":[{"id":60538,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60537\/revisions\/60538"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=60537"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=60537"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=60537"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}