{"id":179662,"date":"2024-11-09T03:45:21","date_gmt":"2024-11-08T19:45:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/179662\/"},"modified":"2024-11-09T03:45:22","modified_gmt":"2024-11-08T19:45:22","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8-oracle-%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e5%a2%9e%e5%8a%a0%e5%88%86%e5%8d%80-oracle-%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e5%a2%9e%e5%8a%a0%e5%88%86%e5%8d%80","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/179662\/","title":{"rendered":"\u5982\u4f55\u5728 Oracle \u6578\u64da\u5eab\u4e2d\u589e\u52a0\u5206\u5340 (Oracle \u6578\u64da\u5eab\u4e2d\u589e\u52a0\u5206\u5340)"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e5%9c%a8-oracle-%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e5%a2%9e%e5%8a%a0%e5%88%86%e5%8d%80-sommaCwiAX\">\u5982\u4f55\u5728 Oracle \u6578\u64da\u5eab\u4e2d\u589e\u52a0\u5206\u5340<\/h1>\n<p>\u5728\u73fe\u4ee3\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u5206\u5340\u6280\u8853\u5df2\u6210\u70ba\u63d0\u5347\u6027\u80fd\u548c\u7ba1\u7406\u6548\u7387\u7684\u91cd\u8981\u624b\u6bb5\u3002Oracle \u6578\u64da\u5eab\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u5206\u5340\u529f\u80fd\uff0c\u5141\u8a31\u7528\u6236\u6839\u64da\u7279\u5b9a\u7684\u9700\u6c42\u5c07\u6578\u64da\u5206\u6563\u5230\u4e0d\u540c\u7684\u5206\u5340\u4e2d\u3002\u9019\u4e0d\u50c5\u80fd\u5920\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u9084\u80fd\u5920\u7c21\u5316\u6578\u64da\u7684\u7ba1\u7406\u548c\u7dad\u8b77\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728 Oracle \u6578\u64da\u5eab\u4e2d\u589e\u52a0\u5206\u5340\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u3002<\/p>\n<h2 id=\"%e5%88%86%e5%8d%80%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-sommaCwiAX\">\u5206\u5340\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>\u5206\u5340\u662f\u5c07\u4e00\u500b\u5927\u578b\u8868\u6216\u7d22\u5f15\u5283\u5206\u70ba\u591a\u500b\u8f03\u5c0f\u7684\u3001\u53ef\u7ba1\u7406\u7684\u90e8\u5206\u3002\u6bcf\u500b\u5206\u5340\u53ef\u4ee5\u7368\u7acb\u5b58\u5132\u548c\u7ba1\u7406\uff0c\u9019\u6a23\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\uff0c\u4e26\u4e14\u5728\u9032\u884c\u6578\u64da\u7dad\u8b77\u6642\u4e0d\u6703\u5f71\u97ff\u6574\u500b\u8868\u7684\u6027\u80fd\u3002Oracle \u652f\u6301\u591a\u7a2e\u5206\u5340\u985e\u578b\uff0c\u5305\u62ec\u7bc4\u570d\u5206\u5340\u3001\u5217\u8868\u5206\u5340\u3001\u54c8\u5e0c\u5206\u5340\u7b49\u3002<\/p>\n<h2 id=\"%e5%a2%9e%e5%8a%a0%e5%88%86%e5%8d%80%e7%9a%84%e6%ad%a5%e9%a9%9f-sommaCwiAX\">\u589e\u52a0\u5206\u5340\u7684\u6b65\u9a5f<\/h2>\n<p>\u5728 Oracle \u6578\u64da\u5eab\u4e2d\u589e\u52a0\u5206\u5340\u7684\u904e\u7a0b\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u5e7e\u500b\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e7%a2%ba%e8%aa%8d%e5%88%86%e5%8d%80%e8%a1%a8%e7%9a%84%e7%b5%90%e6%a7%8b-sommaCwiAX\">1. \u78ba\u8a8d\u5206\u5340\u8868\u7684\u7d50\u69cb<\/h3>\n<p>\u5728\u589e\u52a0\u5206\u5340\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u78ba\u8a8d\u8868\u7684\u7d50\u69cb\u548c\u7576\u524d\u7684\u5206\u5340\u60c5\u6cc1\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b SQL \u67e5\u8a62\u4f86\u67e5\u770b\u8868\u7684\u5206\u5340\u4fe1\u606f\uff1a<\/p>\n<pre><code>SELECT partition_name, high_value\nFROM user_tab_partitions\nWHERE table_name = 'YOUR_TABLE_NAME';<\/code><\/pre>\n<h3 id=\"2-%e5%a2%9e%e5%8a%a0%e6%96%b0%e7%9a%84%e5%88%86%e5%8d%80-sommaCwiAX\">2. \u589e\u52a0\u65b0\u7684\u5206\u5340<\/h3>\n<p>\u4f7f\u7528 <code>ALTER TABLE<\/code> \u8a9e\u53e5\u4f86\u589e\u52a0\u65b0\u7684\u5206\u5340\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7bc4\u4f8b\uff0c\u5047\u8a2d\u6211\u5011\u8981\u5728\u4e00\u500b\u7bc4\u570d\u5206\u5340\u7684\u8868\u4e2d\u589e\u52a0\u4e00\u500b\u65b0\u7684\u5206\u5340\uff1a<\/p>\n<pre><code>ALTER TABLE your_table_name\nADD PARTITION new_partition_name\nVALUES LESS THAN (new_value);<\/code><\/pre>\n<p>\u5728\u9019\u88e1\uff0c<code>new_partition_name<\/code> \u662f\u65b0\u5206\u5340\u7684\u540d\u7a31\uff0c\u800c <code>new_value<\/code> \u662f\u8a72\u5206\u5340\u7684\u4e0a\u9650\u503c\u3002<\/p>\n<h3 id=\"3-%e9%a9%97%e8%ad%89%e6%96%b0%e5%88%86%e5%8d%80%e7%9a%84%e6%b7%bb%e5%8a%a0-sommaCwiAX\">3. \u9a57\u8b49\u65b0\u5206\u5340\u7684\u6dfb\u52a0<\/h3>\n<p>\u6dfb\u52a0\u5206\u5340\u5f8c\uff0c\u53ef\u4ee5\u518d\u6b21\u57f7\u884c\u4e4b\u524d\u7684\u67e5\u8a62\u4f86\u78ba\u8a8d\u65b0\u5206\u5340\u662f\u5426\u6210\u529f\u6dfb\u52a0\uff1a<\/p>\n<pre><code>SELECT partition_name, high_value\nFROM user_tab_partitions\nWHERE table_name = 'YOUR_TABLE_NAME';<\/code><\/pre>\n<h2 id=\"%e5%88%86%e5%8d%80%e7%9a%84%e7%ae%a1%e7%90%86-sommaCwiAX\">\u5206\u5340\u7684\u7ba1\u7406<\/h2>\n<p>\u9664\u4e86\u589e\u52a0\u5206\u5340\u5916\uff0cOracle \u9084\u63d0\u4f9b\u4e86\u591a\u7a2e\u7ba1\u7406\u5206\u5340\u7684\u529f\u80fd\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>ALTER TABLE<\/code> \u8a9e\u53e5\u4f86\u4fee\u6539\u6216\u522a\u9664\u5206\u5340\uff1a<\/p>\n<h3 id=\"%e4%bf%ae%e6%94%b9%e5%88%86%e5%8d%80-sommaCwiAX\">\u4fee\u6539\u5206\u5340<\/h3>\n<pre><code>ALTER TABLE your_table_name\nMODIFY PARTITION partition_name\nVALUES LESS THAN (new_value);<\/code><\/pre>\n<h3 id=\"%e5%88%aa%e9%99%a4%e5%88%86%e5%8d%80-sommaCwiAX\">\u522a\u9664\u5206\u5340<\/h3>\n<pre><code>ALTER TABLE your_table_name\nDROP PARTITION partition_name;<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-sommaCwiAX\">\u7d50\u8ad6<\/h2>\n<p>\u5728 Oracle \u6578\u64da\u5eab\u4e2d\u589e\u52a0\u5206\u5340\u662f\u4e00\u500b\u76f8\u5c0d\u7c21\u55ae\u7684\u904e\u7a0b\uff0c\u4f46\u9700\u8981\u8b39\u614e\u64cd\u4f5c\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u6027\u80fd\u7684\u63d0\u5347\u3002\u901a\u904e\u5408\u7406\u7684\u5206\u5340\u7b56\u7565\uff0c\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\u548c\u6578\u64da\u7ba1\u7406\u7684\u9748\u6d3b\u6027\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u4f86\u652f\u6301\u60a8\u7684 Oracle \u6578\u64da\u5eab\u9700\u6c42\u3002\u7121\u8ad6\u662f\u6027\u80fd\u9084\u662f\u5b89\u5168\u6027\uff0c\u6211\u5011\u7684 <a href=\"https:\/\/server.hk\">\u4e91\u670d\u52a1\u5668<\/a> \u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u6700\u4f73\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b78\u7fd2\u5982\u4f55\u5728 Oracle \u6578\u64da\u5eab\u4e2d\u6709\u6548\u5730\u589e\u52a0\u5206\u5340\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u6548\u7387\uff0c\u512a\u5316\u67e5\u8a62\u6027\u80fd\uff0c\u7c21\u5316\u7dad\u8b77\u6d41\u7a0b\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-179662","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179662","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=179662"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179662\/revisions"}],"predecessor-version":[{"id":179663,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/179662\/revisions\/179663"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=179662"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=179662"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=179662"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}