{"id":154461,"date":"2024-11-02T16:00:21","date_gmt":"2024-11-02T08:00:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/154461\/"},"modified":"2024-11-02T16:00:22","modified_gmt":"2024-11-02T08:00:22","slug":"%e5%b0%8d-db2-%e5%af%a6%e7%8f%be-split-%e7%9a%84%e6%93%8d%e4%bd%9c%e6%b5%81%e7%a8%8b%e6%8f%8f%e8%bf%b0","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/154461\/","title":{"rendered":"\u5c0d DB2 \u5be6\u73fe split \u7684\u64cd\u4f5c\u6d41\u7a0b\u63cf\u8ff0"},"content":{"rendered":"<h1 id=\"%e5%b0%8d-db2-%e5%af%a6%e7%8f%be-split-%e7%9a%84%e6%93%8d%e4%bd%9c%e6%b5%81%e7%a8%8b%e6%8f%8f%e8%bf%b0-KrTDTbyTap\">\u5c0d DB2 \u5be6\u73fe split \u7684\u64cd\u4f5c\u6d41\u7a0b\u63cf\u8ff0<\/h1>\n<p>\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0cDB2 \u662f IBM \u63d0\u4f9b\u7684\u4e00\u6b3e\u5f37\u5927\u4e14\u9748\u6d3b\u7684\u95dc\u806f\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u3002\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u5c0d\u65bc\u6578\u64da\u7684\u7ba1\u7406\u548c\u5b58\u53d6\u6548\u7387\u7684\u8981\u6c42\u4e5f\u96a8\u4e4b\u63d0\u9ad8\u3002\u70ba\u4e86\u63d0\u5347\u6027\u80fd\uff0cDB2 \u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u5206\u5272\uff08split\uff09\u6280\u8853\uff0c\u9019\u4e9b\u6280\u8853\u53ef\u4ee5\u5e6b\u52a9\u7528\u6236\u66f4\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u3002\u672c\u6587\u5c07\u8a73\u7d30\u4ecb\u7d39\u5728 DB2 \u4e2d\u5be6\u73fe\u6578\u64da\u5206\u5272\u7684\u64cd\u4f5c\u6d41\u7a0b\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-db2-%e7%9a%84%e6%95%b8%e6%93%9a%e5%88%86%e5%89%b2%ef%bc%9f-KrTDTbyTap\">\u4ec0\u9ebc\u662f DB2 \u7684\u6578\u64da\u5206\u5272\uff1f<\/h2>\n<p>\u6578\u64da\u5206\u5272\u662f\u6307\u5c07\u5927\u578b\u6578\u64da\u8868\u5206\u5272\u6210\u591a\u500b\u8f03\u5c0f\u7684\u90e8\u5206\uff0c\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u548c\u6578\u64da\u7ba1\u7406\u7684\u9748\u6d3b\u6027\u3002DB2 \u652f\u6301\u591a\u7a2e\u5206\u5272\u7b56\u7565\uff0c\u5305\u62ec\u7bc4\u570d\u5206\u5272\u3001\u5217\u8868\u5206\u5272\u548c\u54c8\u5e0c\u5206\u5272\u7b49\u3002\u9019\u4e9b\u7b56\u7565\u53ef\u4ee5\u6839\u64da\u696d\u52d9\u9700\u6c42\u548c\u6578\u64da\u7279\u6027\u9032\u884c\u9078\u64c7\u3002<\/p>\n<h2 id=\"db2-%e6%95%b8%e6%93%9a%e5%88%86%e5%89%b2%e7%9a%84%e6%93%8d%e4%bd%9c%e6%b5%81%e7%a8%8b-KrTDTbyTap\">DB2 \u6578\u64da\u5206\u5272\u7684\u64cd\u4f5c\u6d41\u7a0b<\/h2>\n<h3 id=\"1-%e7%a2%ba%e5%ae%9a%e5%88%86%e5%89%b2%e7%ad%96%e7%95%a5-KrTDTbyTap\">1. \u78ba\u5b9a\u5206\u5272\u7b56\u7565<\/h3>\n<p>\u5728\u958b\u59cb\u5206\u5272\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u6839\u64da\u6578\u64da\u7684\u7279\u6027\u548c\u67e5\u8a62\u6a21\u5f0f\u4f86\u78ba\u5b9a\u5408\u9069\u7684\u5206\u5272\u7b56\u7565\u3002\u4ee5\u4e0b\u662f\u5e7e\u7a2e\u5e38\u898b\u7684\u5206\u5272\u7b56\u7565\uff1a<\/p>\n<ul>\n<li><strong>\u7bc4\u570d\u5206\u5272\uff1a<\/strong>\u6839\u64da\u67d0\u500b\u5217\u7684\u503c\u7bc4\u570d\u4f86\u5206\u5272\u6578\u64da\uff0c\u4f8b\u5982\u6309\u65e5\u671f\u5206\u5272\u3002<\/li>\n<li><strong>\u5217\u8868\u5206\u5272\uff1a<\/strong>\u6839\u64da\u7279\u5b9a\u7684\u503c\u5217\u8868\u4f86\u5206\u5272\u6578\u64da\uff0c\u4f8b\u5982\u6309\u5730\u5340\u5206\u5272\u3002<\/li>\n<li><strong>\u54c8\u5e0c\u5206\u5272\uff1a<\/strong>\u6839\u64da\u54c8\u5e0c\u51fd\u6578\u7684\u7d50\u679c\u4f86\u5206\u5272\u6578\u64da\uff0c\u9069\u5408\u5747\u52fb\u5206\u5e03\u7684\u6578\u64da\u3002<\/li>\n<\/ul>\n<h3 id=\"2-%e5%89%b5%e5%bb%ba%e5%88%86%e5%89%b2%e8%a1%a8-KrTDTbyTap\">2. \u5275\u5efa\u5206\u5272\u8868<\/h3>\n<p>\u78ba\u5b9a\u5206\u5272\u7b56\u7565\u5f8c\uff0c\u53ef\u4ee5\u4f7f\u7528 SQL \u8a9e\u53e5\u5275\u5efa\u5206\u5272\u8868\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7bc4\u570d\u5206\u5272\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>CREATE TABLE sales (\n    id INT,\n    sale_date DATE,\n    amount DECIMAL(10, 2)\n) \nPARTITION BY RANGE (sale_date) (\n    PARTITION p1 VALUES LESS THAN ('2023-01-01'),\n    PARTITION p2 VALUES LESS THAN ('2023-06-01'),\n    PARTITION p3 VALUES LESS THAN (MAXVALUE)\n);<\/code><\/pre>\n<h3 id=\"3-%e6%95%b8%e6%93%9a%e9%81%b7%e7%a7%bb-KrTDTbyTap\">3. \u6578\u64da\u9077\u79fb<\/h3>\n<p>\u5275\u5efa\u5206\u5272\u8868\u5f8c\uff0c\u9700\u8981\u5c07\u73fe\u6709\u6578\u64da\u9077\u79fb\u5230\u65b0\u8868\u4e2d\u3002\u53ef\u4ee5\u4f7f\u7528 INSERT INTO \u8a9e\u53e5\u5c07\u6578\u64da\u5f9e\u820a\u8868\u8f49\u79fb\u5230\u65b0\u8868\uff1a<\/p>\n<pre><code>INSERT INTO sales SELECT * FROM old_sales;<\/code><\/pre>\n<h3 id=\"4-%e6%9b%b4%e6%96%b0%e6%87%89%e7%94%a8%e7%a8%8b%e5%ba%8f-KrTDTbyTap\">4. \u66f4\u65b0\u61c9\u7528\u7a0b\u5e8f<\/h3>\n<p>\u6578\u64da\u9077\u79fb\u5b8c\u6210\u5f8c\uff0c\u61c9\u7528\u7a0b\u5e8f\u7684\u67e5\u8a62\u548c\u66f4\u65b0\u64cd\u4f5c\u9700\u8981\u6839\u64da\u65b0\u7684\u5206\u5272\u8868\u9032\u884c\u8abf\u6574\u3002\u78ba\u4fdd\u6240\u6709\u7684 SQL \u67e5\u8a62\u90fd\u80fd\u6b63\u78ba\u5730\u8a2a\u554f\u65b0\u7684\u5206\u5272\u8868\u3002<\/p>\n<h3 id=\"5-%e6%b8%ac%e8%a9%a6%e5%92%8c%e5%84%aa%e5%8c%96-KrTDTbyTap\">5. \u6e2c\u8a66\u548c\u512a\u5316<\/h3>\n<p>\u5728\u5b8c\u6210\u6578\u64da\u5206\u5272\u5f8c\uff0c\u9032\u884c\u5168\u9762\u7684\u6e2c\u8a66\u4ee5\u78ba\u4fdd\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u3002\u6839\u64da\u6e2c\u8a66\u7d50\u679c\u9032\u884c\u5fc5\u8981\u7684\u512a\u5316\uff0c\u4f8b\u5982\u8abf\u6574\u7d22\u5f15\u6216\u67e5\u8a62\u8a08\u5283\u3002<\/p>\n<h2 id=\"%e7%b5%90%e8%ab%96-KrTDTbyTap\">\u7d50\u8ad6<\/h2>\n<p>DB2 \u7684\u6578\u64da\u5206\u5272\u6280\u8853\u80fd\u5920\u6709\u6548\u63d0\u5347\u6578\u64da\u7ba1\u7406\u7684\u6548\u7387\u548c\u67e5\u8a62\u6027\u80fd\u3002\u901a\u904e\u5408\u7406\u7684\u5206\u5272\u7b56\u7565\u548c\u64cd\u4f5c\u6d41\u7a0b\uff0c\u7528\u6236\u53ef\u4ee5\u66f4\u597d\u5730\u61c9\u5c0d\u4e0d\u65b7\u589e\u9577\u7684\u6578\u64da\u9700\u6c42\u3002\u5c0d\u65bc\u5e0c\u671b\u5728\u9999\u6e2f\u5c0b\u627e\u9ad8\u6548\u6578\u64da\u7ba1\u7406\u89e3\u6c7a\u65b9\u6848\u7684\u4f01\u696d\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u670d\u52d9\u5c07\u662f\u63d0\u5347\u696d\u52d9\u904b\u71df\u6548\u7387\u7684\u91cd\u8981\u4e00\u6b65\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3 DB2 \u5be6\u73fe split \u7684\u64cd\u4f5c\u6d41\u7a0b\uff0c\u638c\u63e1\u6578\u64da\u5206\u5272\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\u8207\u6027\u80fd\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-154461","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/154461","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=154461"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/154461\/revisions"}],"predecessor-version":[{"id":154462,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/154461\/revisions\/154462"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=154461"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=154461"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=154461"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}