{"id":60541,"date":"2024-10-13T03:43:16","date_gmt":"2024-10-12T19:43:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/60541\/"},"modified":"2024-10-13T03:43:16","modified_gmt":"2024-10-12T19:43:16","slug":"db2%e5%bb%ba%e7%ab%8bdatabase-partition%e5%af%a6%e6%88%b0%e6%bc%94%e7%bf%92%ef%bc%81","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/60541\/","title":{"rendered":"DB2\u5efa\u7acbdatabase Partition\u5be6\u6230\u6f14\u7fd2\uff01"},"content":{"rendered":"<h1 id=\"db2%e5%bb%ba%e7%ab%8bdatabase-partition%e5%af%a6%e6%88%b0%e6%bc%94%e7%bf%92-PZcbPmPxBW\">DB2\u5efa\u7acbDatabase Partition\u5be6\u6230\u6f14\u7fd2<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u8b8a\u5f97\u8d8a\u4f86\u8d8a\u91cd\u8981\u3002IBM\u7684DB2\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u63d0\u4f9b\u4e86\u591a\u7a2e\u529f\u80fd\u4f86\u652f\u6301\u5927\u898f\u6a21\u6578\u64da\u8655\u7406\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u6578\u64da\u5eab\u5206\u5340\uff08Database Partitioning\uff09\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u5728DB2\u4e2d\u5efa\u7acb\u6578\u64da\u5eab\u5206\u5340\uff0c\u4e26\u63d0\u4f9b\u5be6\u6230\u6f14\u7fd2\u7684\u6b65\u9a5f\u548c\u793a\u4f8b\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%95%b8%e6%93%9a%e5%ba%ab%e5%88%86%e5%8d%80%ef%bc%9f-PZcbPmPxBW\">\u4ec0\u9ebc\u662f\u6578\u64da\u5eab\u5206\u5340\uff1f<\/h2>\n<p>\u6578\u64da\u5eab\u5206\u5340\u662f\u5c07\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u5206\u6563\u5230\u591a\u500b\u7269\u7406\u6216\u908f\u8f2f\u5206\u5340\u4e2d\u7684\u904e\u7a0b\u3002\u9019\u6a23\u505a\u7684\u76ee\u7684\u662f\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3001\u589e\u5f37\u6578\u64da\u7ba1\u7406\u7684\u9748\u6d3b\u6027\u4ee5\u53ca\u63d0\u5347\u7cfb\u7d71\u7684\u53ef\u64f4\u5c55\u6027\u3002DB2\u652f\u6301\u591a\u7a2e\u5206\u5340\u65b9\u6cd5\uff0c\u5305\u62ec\u7bc4\u570d\u5206\u5340\u3001\u5217\u8868\u5206\u5340\u548c\u54c8\u5e0c\u5206\u5340\u7b49\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e4%bd%bf%e7%94%a8%e6%95%b8%e6%93%9a%e5%ba%ab%e5%88%86%e5%8d%80%ef%bc%9f-PZcbPmPxBW\">\u70ba\u4ec0\u9ebc\u4f7f\u7528\u6578\u64da\u5eab\u5206\u5340\uff1f<\/h2>\n<ul>\n<li><strong>\u6027\u80fd\u63d0\u5347\uff1a<\/strong>\u901a\u904e\u5c07\u6578\u64da\u5206\u6563\u5230\u4e0d\u540c\u7684\u5206\u5340\uff0c\u53ef\u4ee5\u6e1b\u5c11\u67e5\u8a62\u6642\u7684I\/O\u64cd\u4f5c\uff0c\u63d0\u9ad8\u67e5\u8a62\u901f\u5ea6\u3002<\/li>\n<li><strong>\u53ef\u64f4\u5c55\u6027\uff1a<\/strong>\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u53ef\u4ee5\u8f15\u9b06\u5730\u6dfb\u52a0\u65b0\u7684\u5206\u5340\u4f86\u5bb9\u7d0d\u66f4\u591a\u6578\u64da\u3002<\/li>\n<li><strong>\u7dad\u8b77\u65b9\u4fbf\uff1a<\/strong>\u53ef\u4ee5\u5c0d\u55ae\u500b\u5206\u5340\u9032\u884c\u7dad\u8b77\uff0c\u800c\u4e0d\u5f71\u97ff\u6574\u500b\u6578\u64da\u5eab\u7684\u904b\u884c\u3002<\/li>\n<\/ul>\n<h2 id=\"db2%e4%b8%ad%e5%bb%ba%e7%ab%8b%e6%95%b8%e6%93%9a%e5%ba%ab%e5%88%86%e5%8d%80%e7%9a%84%e6%ad%a5%e9%a9%9f-PZcbPmPxBW\">DB2\u4e2d\u5efa\u7acb\u6578\u64da\u5eab\u5206\u5340\u7684\u6b65\u9a5f<\/h2>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%b8%80%ef%bc%9a%e8%a8%ad%e7%bd%ae%e6%95%b8%e6%93%9a%e5%ba%ab-PZcbPmPxBW\">\u6b65\u9a5f\u4e00\uff1a\u8a2d\u7f6e\u6578\u64da\u5eab<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u5275\u5efa\u4e00\u500b\u65b0\u7684DB2\u6578\u64da\u5eab\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4f86\u5275\u5efa\u6578\u64da\u5eab\uff1a<\/p>\n<pre><code>CREATE DATABASE mydb;<\/code><\/pre>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%ba%8c%ef%bc%9a%e5%89%b5%e5%bb%ba%e5%88%86%e5%8d%80%e8%a1%a8%e7%a9%ba%e9%96%93-PZcbPmPxBW\">\u6b65\u9a5f\u4e8c\uff1a\u5275\u5efa\u5206\u5340\u8868\u7a7a\u9593<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u60a8\u9700\u8981\u5275\u5efa\u4e00\u500b\u5206\u5340\u8868\u7a7a\u9593\u3002\u9019\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u547d\u4ee4\u4f86\u5b8c\u6210\uff1a<\/p>\n<pre><code>CREATE TABLESPACE my_tablespace \n    IN DATABASE mydb \n    PARTITION BY RANGE (column_name) \n    (STARTING AT 1 ENDING AT 1000, \n     STARTING AT 1001 ENDING AT 2000);<\/code><\/pre>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%b8%89%ef%bc%9a%e5%89%b5%e5%bb%ba%e5%88%86%e5%8d%80%e8%a1%a8-PZcbPmPxBW\">\u6b65\u9a5f\u4e09\uff1a\u5275\u5efa\u5206\u5340\u8868<\/h3>\n<p>\u7136\u5f8c\uff0c\u60a8\u53ef\u4ee5\u5275\u5efa\u4e00\u500b\u5206\u5340\u8868\uff0c\u4e26\u6307\u5b9a\u4f7f\u7528\u525b\u525b\u5275\u5efa\u7684\u8868\u7a7a\u9593\uff1a<\/p>\n<pre><code>CREATE TABLE my_partitioned_table (\n    id INT,\n    name VARCHAR(100),\n    created_at TIMESTAMP\n) IN my_tablespace;<\/code><\/pre>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e5%9b%9b%ef%bc%9a%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a-PZcbPmPxBW\">\u6b65\u9a5f\u56db\uff1a\u63d2\u5165\u6578\u64da<\/h3>\n<p>\u73fe\u5728\uff0c\u60a8\u53ef\u4ee5\u5411\u5206\u5340\u8868\u4e2d\u63d2\u5165\u6578\u64da\u3002DB2\u6703\u6839\u64da\u60a8\u5b9a\u7fa9\u7684\u5206\u5340\u898f\u5247\u81ea\u52d5\u5c07\u6578\u64da\u5206\u914d\u5230\u76f8\u61c9\u7684\u5206\u5340\u4e2d\uff1a<\/p>\n<pre><code>INSERT INTO my_partitioned_table (id, name, created_at) \nVALUES (1, 'Alice', CURRENT_TIMESTAMP);<\/code><\/pre>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%ba%94%ef%bc%9a%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a-PZcbPmPxBW\">\u6b65\u9a5f\u4e94\uff1a\u67e5\u8a62\u6578\u64da<\/h3>\n<p>\u6700\u5f8c\uff0c\u60a8\u53ef\u4ee5\u67e5\u8a62\u5206\u5340\u8868\u4e2d\u7684\u6578\u64da\uff0cDB2\u6703\u6839\u64da\u5206\u5340\u7684\u8a2d\u7f6e\u512a\u5316\u67e5\u8a62\u6027\u80fd\uff1a<\/p>\n<pre><code>SELECT * FROM my_partitioned_table WHERE id BETWEEN 1 AND 1000;<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-PZcbPmPxBW\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u4ee5\u4e0a\u6b65\u9a5f\uff0c\u6211\u5011\u53ef\u4ee5\u770b\u5230\u5728DB2\u4e2d\u5efa\u7acb\u6578\u64da\u5eab\u5206\u5340\u7684\u904e\u7a0b\u662f\u76f8\u5c0d\u7c21\u55ae\u7684\u3002\u6578\u64da\u5eab\u5206\u5340\u4e0d\u50c5\u80fd\u63d0\u9ad8\u6027\u80fd\uff0c\u9084\u80fd\u589e\u5f37\u7cfb\u7d71\u7684\u53ef\u64f4\u5c55\u6027\u548c\u7dad\u8b77\u6027\u3002\u5c0d\u65bc\u9700\u8981\u8655\u7406\u5927\u91cf\u6578\u64da\u7684\u61c9\u7528\u4f86\u8aaa\uff0c\u9019\u662f\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u6280\u8853\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u6216\u5176\u4ed6\u76f8\u95dc\u6280\u8853\u6709\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4e86\u89e3\u66f4\u591a\u8cc7\u8a0a\u3002\u6211\u5011\u63d0\u4f9b\u5404\u7a2e <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u60a8\u5728\u9999\u6e2f\u7684\u696d\u52d9\u904b\u884c\u5f97\u66f4\u52a0\u9806\u5229\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5be6\u6230\u6f14\u7fd2DB2\u5efa\u7acb\u8cc7\u6599\u5eab\u5206\u5340\uff0c\u6df1\u5165\u4e86\u89e3\u5206\u5340\u6280\u8853\uff0c\u63d0\u5347\u6027\u80fd\u8207\u7ba1\u7406\u6548\u7387\uff0c\u9069\u5408DBA\u8207\u958b\u767c\u8005\u5b78\u7fd2\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-60541","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60541","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=60541"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60541\/revisions"}],"predecessor-version":[{"id":60542,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60541\/revisions\/60542"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=60541"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=60541"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=60541"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}