{"id":60749,"date":"2024-10-13T05:29:15","date_gmt":"2024-10-12T21:29:15","guid":{"rendered":"https:\/\/server.hk\/cnblog\/60749\/"},"modified":"2024-10-13T05:29:15","modified_gmt":"2024-10-12T21:29:15","slug":"db2%e6%95%b8%e6%93%9a%e5%ba%ab%e5%bb%ba%e7%ab%8bdatabase-partition%e7%9a%84%e6%ad%a5%e9%a9%9f%e8%a9%b3%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/60749\/","title":{"rendered":"DB2\u6578\u64da\u5eab\u5efa\u7acbdatabase Partition\u7684\u6b65\u9a5f\u8a73\u89e3"},"content":{"rendered":"<h1 id=\"db2%e6%95%b8%e6%93%9a%e5%ba%ab%e5%bb%ba%e7%ab%8bdatabase-partition%e7%9a%84%e6%ad%a5%e9%a9%9f%e8%a9%b3%e8%a7%a3-nAtYXaSvFq\">DB2\u6578\u64da\u5eab\u5efa\u7acbDatabase Partition\u7684\u6b65\u9a5f\u8a73\u89e3<\/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\u81f3\u95dc\u91cd\u8981\u3002DB2\u4f5c\u70baIBM\u7684\u4e00\u6b3e\u5f37\u5927\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u529f\u80fd\u4f86\u512a\u5316\u6578\u64da\u5b58\u5132\u548c\u67e5\u8a62\u6548\u7387\u3002\u5176\u4e2d\uff0c\u6578\u64da\u5eab\u5206\u5340\uff08Database Partition\uff09\u662f\u4e00\u500b\u91cd\u8981\u7684\u7279\u6027\uff0c\u53ef\u4ee5\u5e6b\u52a9\u7528\u6236\u66f4\u6709\u6548\u5730\u7ba1\u7406\u5927\u91cf\u6578\u64da\u3002\u672c\u6587\u5c07\u8a73\u7d30\u4ecb\u7d39\u5728DB2\u4e2d\u5efa\u7acb\u6578\u64da\u5eab\u5206\u5340\u7684\u6b65\u9a5f\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-nAtYXaSvFq\">\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\u597d\u8655\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff1a\u901a\u904e\u5c07\u6578\u64da\u5206\u6563\u5230\u4e0d\u540c\u7684\u5206\u5340\uff0c\u53ef\u4ee5\u6e1b\u5c11\u67e5\u8a62\u6642\u7684\u6578\u64da\u6383\u63cf\u91cf\u3002<\/li>\n<li>\u589e\u5f37\u53ef\u64f4\u5c55\u6027\uff1a\u96a8\u8457\u6578\u64da\u91cf\u7684\u589e\u9577\uff0c\u53ef\u4ee5\u8f15\u9b06\u5730\u6dfb\u52a0\u65b0\u7684\u5206\u5340\u3002<\/li>\n<li>\u63d0\u9ad8\u53ef\u7528\u6027\uff1a\u5982\u679c\u67d0\u500b\u5206\u5340\u51fa\u73fe\u6545\u969c\uff0c\u5176\u4ed6\u5206\u5340\u4ecd\u7136\u53ef\u4ee5\u6b63\u5e38\u904b\u884c\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%bb%ba%e7%ab%8bdb2%e6%95%b8%e6%93%9a%e5%ba%ab%e5%88%86%e5%8d%80%e7%9a%84%e6%ad%a5%e9%a9%9f-nAtYXaSvFq\">\u5efa\u7acbDB2\u6578\u64da\u5eab\u5206\u5340\u7684\u6b65\u9a5f<\/h2>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%b8%80%ef%bc%9a%e6%ba%96%e5%82%99%e7%92%b0%e5%a2%83-nAtYXaSvFq\">\u6b65\u9a5f\u4e00\uff1a\u6e96\u5099\u74b0\u5883<\/h3>\n<p>\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u78ba\u4fdd\u60a8\u5df2\u7d93\u5b89\u88dd\u4e86DB2\u6578\u64da\u5eab\u4e26\u4e14\u64c1\u6709\u76f8\u61c9\u7684\u7ba1\u7406\u6b0a\u9650\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528DB2\u7684\u547d\u4ee4\u884c\u754c\u9762\u6216\u5716\u5f62\u7528\u6236\u754c\u9762\u9032\u884c\u64cd\u4f5c\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%ba%8c%ef%bc%9a%e5%89%b5%e5%bb%ba%e6%95%b8%e6%93%9a%e5%ba%ab-nAtYXaSvFq\">\u6b65\u9a5f\u4e8c\uff1a\u5275\u5efa\u6578\u64da\u5eab<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u5275\u5efa\u4e00\u500b\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<p>\u9019\u88e1\u7684\u201cmydb\u201d\u662f\u60a8\u8981\u5275\u5efa\u7684\u6578\u64da\u5eab\u540d\u7a31\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%b8%89%ef%bc%9a%e8%a8%ad%e7%bd%ae%e5%88%86%e5%8d%80%e8%a1%a8%e7%a9%ba%e9%96%93-nAtYXaSvFq\">\u6b65\u9a5f\u4e09\uff1a\u8a2d\u7f6e\u5206\u5340\u8868\u7a7a\u9593<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u60a8\u9700\u8981\u70ba\u6578\u64da\u5eab\u8a2d\u7f6e\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    PAGESIZE 4K \n    MANAGED BY AUTOMATIC STORAGE;<\/code><\/pre>\n<p>\u9019\u88e1\u7684\u201cmy_tablespace\u201d\u662f\u60a8\u8981\u5275\u5efa\u7684\u8868\u7a7a\u9593\u540d\u7a31\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e5%9b%9b%ef%bc%9a%e5%89%b5%e5%bb%ba%e5%88%86%e5%8d%80%e8%a1%a8-nAtYXaSvFq\">\u6b65\u9a5f\u56db\uff1a\u5275\u5efa\u5206\u5340\u8868<\/h3>\n<p>\u7136\u5f8c\uff0c\u60a8\u53ef\u4ee5\u5275\u5efa\u4e00\u500b\u5206\u5340\u8868\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u793a\u4f8b\u547d\u4ee4\uff1a<\/p>\n<pre><code>CREATE TABLE my_table (\n    id INT NOT NULL,\n    name VARCHAR(100),\n    created_at TIMESTAMP\n) PARTITION BY RANGE (id) (\n    PARTITION p1 VALUES LESS THAN (1000),\n    PARTITION p2 VALUES LESS THAN (2000),\n    PARTITION p3 VALUES LESS THAN (3000)\n);<\/code><\/pre>\n<p>\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u6839\u64da\u201cid\u201d\u5b57\u6bb5\u7684\u503c\u7bc4\u570d\u4f86\u5275\u5efa\u4e09\u500b\u5206\u5340\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e4%ba%94%ef%bc%9a%e6%8f%92%e5%85%a5%e6%95%b8%e6%93%9a-nAtYXaSvFq\">\u6b65\u9a5f\u4e94\uff1a\u63d2\u5165\u6578\u64da<\/h3>\n<p>\u5275\u5efa\u5206\u5340\u8868\u5f8c\uff0c\u60a8\u53ef\u4ee5\u958b\u59cb\u63d2\u5165\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u63d2\u5165\u6578\u64da\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>INSERT INTO my_table (id, name, created_at) \nVALUES (500, 'Alice', CURRENT_TIMESTAMP);<\/code><\/pre>\n<p>\u6839\u64da\u63d2\u5165\u7684\u201cid\u201d\u503c\uff0cDB2\u6703\u81ea\u52d5\u5c07\u6578\u64da\u653e\u5165\u76f8\u61c9\u7684\u5206\u5340\u4e2d\u3002<\/p>\n<h3 id=\"%e6%ad%a5%e9%a9%9f%e5%85%ad%ef%bc%9a%e6%9f%a5%e8%a9%a2%e6%95%b8%e6%93%9a-nAtYXaSvFq\">\u6b65\u9a5f\u516d\uff1a\u67e5\u8a62\u6578\u64da<\/h3>\n<p>\u6700\u5f8c\uff0c\u60a8\u53ef\u4ee5\u67e5\u8a62\u6578\u64da\u4ee5\u9a57\u8b49\u5206\u5340\u662f\u5426\u6b63\u5e38\u5de5\u4f5c\uff1a<\/p>\n<pre><code>SELECT * FROM my_table WHERE id &lt; 1000;<\/code><\/pre>\n<p>\u9019\u5c07\u8fd4\u56de\u6240\u6709\u5728\u7b2c\u4e00\u500b\u5206\u5340\u4e2d\u7684\u6578\u64da\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-nAtYXaSvFq\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u4ee5\u4e0a\u6b65\u9a5f\uff0c\u60a8\u53ef\u4ee5\u5728DB2\u4e2d\u6210\u529f\u5efa\u7acb\u6578\u64da\u5eab\u5206\u5340\u3002\u9019\u4e0d\u50c5\u80fd\u63d0\u9ad8\u6578\u64da\u67e5\u8a62\u7684\u6548\u7387\uff0c\u9084\u80fd\u589e\u5f37\u6578\u64da\u5eab\u7684\u53ef\u64f4\u5c55\u6027\u548c\u53ef\u7528\u6027\u3002\u5c0d\u65bc\u9700\u8981\u8655\u7406\u5927\u91cf\u6578\u64da\u7684\u4f01\u696d\u4f86\u8aaa\uff0c\u5408\u7406\u7684\u6578\u64da\u5eab\u5206\u5340\u7b56\u7565\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u9700\u6c42\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u548c\u64f4\u5c55\u60a8\u7684\u6578\u64da\u5eab\u74b0\u5883\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8a73\u7d30\u6b65\u9a5f\u89e3\u6790\u5982\u4f55\u5728DB2\u6578\u64da\u5eab\u4e2d\u5efa\u7acb\u8cc7\u6599\u5eab\u5206\u5340\uff0c\u63d0\u5347\u6027\u80fd\u8207\u7ba1\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-60749","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60749","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=60749"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60749\/revisions"}],"predecessor-version":[{"id":60750,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/60749\/revisions\/60750"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=60749"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=60749"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=60749"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}