{"id":199908,"date":"2025-05-06T09:21:30","date_gmt":"2025-05-06T01:21:30","guid":{"rendered":"https:\/\/server.hk\/cnblog\/199908\/"},"modified":"2025-05-06T09:21:30","modified_gmt":"2025-05-06T01:21:30","slug":"%e4%bb%8b%e7%bb%8doracle%e6%95%b0%e6%8d%ae%e5%ba%93%e4%b8%ad%e5%a6%82%e4%bd%95%e7%81%b5%e6%b4%bb%e4%bf%ae%e6%94%b9%e5%88%86%e5%8c%ba%e5%90%8d%e7%a7%b0","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/199908\/","title":{"rendered":"\u4ecb\u7ecdOracle\u6570\u636e\u5e93\u4e2d\u5982\u4f55\u7075\u6d3b\u4fee\u6539\u5206\u533a\u540d\u79f0"},"content":{"rendered":"

<\/b> <\/p>\n

\u4ecb\u7ecdOracle\u6570\u636e\u5e93\u4e2d\u5982\u4f55\u7075\u6d3b\u4fee\u6539\u5206\u533a\u540d\u79f0<\/h1>\n

\u4e00\u5206\u8015\u8018\uff0c\u4e00\u5206\u6536\u83b7\uff01\u65e2\u7136\u90fd\u6253\u5f00\u8fd9\u7bc7\uff0c\u5c31\u575a\u6301\u770b\u4e0b\u53bb\uff0c\u5b66\u4e0b\u53bb\u5427\uff01\u672c\u6587\u4e3b\u8981\u4f1a\u7ed9\u5927\u5bb6\u8bb2\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u5927\u5bb6\u5bf9\u672c\u6587\u6709\u597d\u7684\u5efa\u8bae\u6216\u8005\u770b\u5230\u6709\u4e0d\u8db3\u4e4b\u5904\uff0c\u975e\u5e38\u6b22\u8fce\u5927\u5bb6\u79ef\u6781\u63d0\u51fa\uff01\u5728\u540e\u7eed\u6587\u7ae0\u6211\u4f1a\u7ee7\u7eed\u66f4\u65b0\u76f8\u5173\u7684\u5185\u5bb9\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u90fd\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n

Oracle\u6570\u636e\u5e93\u662f\u4e00\u79cd\u5e38\u7528\u7684\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u7528\u4e8e\u5b58\u50a8\u548c\u7ba1\u7406\u4f01\u4e1a\u6570\u636e\u3002\u5728\u65e5\u5e38\u4f7f\u7528\u4e2d\uff0c\u5bf9\u6570\u636e\u5e93\u7684\u4f18\u5316\u662f\u975e\u5e38\u91cd\u8981\u7684\uff0c\u53ef\u4ee5\u63d0\u9ad8\u6570\u636e\u5e93\u7684\u6027\u80fd\u548c\u6548\u7387\u3002\u5176\u4e2d\u4e00\u4e2a\u91cd\u8981\u7684\u4f18\u5316\u6280\u5de7\u662f\u5bf9\u6570\u636e\u5e93\u8fdb\u884c\u5206\u533a\uff0c\u80fd\u591f\u63d0\u9ad8\u67e5\u8be2\u6027\u80fd\u548c\u7ef4\u62a4\u6548\u7387\u3002<\/p>\n

Oracle\u6570\u636e\u5e93\u4e2d\u7684\u5206\u533a\u5141\u8bb8\u5c06\u8868\u4e2d\u7684\u6570\u636e\u6839\u636e\u6307\u5b9a\u7684\u89c4\u5219\u5206\u6210\u4e0d\u540c\u7684\u533a\u57df\u8fdb\u884c\u5b58\u50a8\uff0c\u8fd9\u6837\u53ef\u4ee5\u5b9e\u73b0\u6570\u636e\u7684\u5206\u6bb5\u5b58\u50a8\u548c\u7ba1\u7406\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6709\u65f6\u5019\u9700\u8981\u7075\u6d3b\u4fee\u6539\u5206\u533a\u7684\u540d\u79f0\uff0c\u4ee5\u6ee1\u8db3\u4e0d\u540c\u7684\u4e1a\u52a1\u9700\u6c42\u3002\u5728\u672c\u6587\u4e2d\uff0c\u5c06\u4ecb\u7ecd\u5982\u4f55\u5728Oracle\u6570\u636e\u5e93\u4e2d\u7075\u6d3b\u4fee\u6539\u5206\u533a\u540d\u79f0\u7684\u65b9\u6cd5\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

\u4e3a\u4ec0\u4e48\u9700\u8981\u7075\u6d3b\u4fee\u6539\u5206\u533a\u540d\u79f0\uff1f<\/h3>\n

\u5728\u8fdb\u884c\u6570\u636e\u5e93\u5206\u533a\u65f6\uff0c\u901a\u5e38\u4f1a\u6839\u636e\u4e1a\u52a1\u9700\u6c42\u548c\u6570\u636e\u7279\u70b9\u8bbe\u8ba1\u5408\u9002\u7684\u5206\u533a\u7b56\u7565\uff0c\u5176\u4e2d\u5305\u62ec\u5206\u533a\u952e\u7684\u9009\u62e9\u3001\u5206\u533a\u89c4\u5219\u7684\u5236\u5b9a\u7b49\u3002\u968f\u7740\u4e1a\u52a1\u53d8\u5316\u6216\u8005\u6570\u636e\u91cf\u589e\u957f\uff0c\u6709\u65f6\u5019\u53ef\u80fd\u4f1a\u9700\u8981\u8c03\u6574\u5206\u533a\u540d\u79f0\u6216\u8005\u91cd\u65b0\u8bbe\u8ba1\u5206\u533a\u7b56\u7565\u3002\u7075\u6d3b\u4fee\u6539\u5206\u533a\u540d\u79f0\u7684\u65b9\u6cd5\u53ef\u4ee5\u5e2e\u52a9\u6570\u636e\u5e93\u7ba1\u7406\u5458\u5feb\u901f\u54cd\u5e94\u4e1a\u52a1\u9700\u6c42\uff0c\u63d0\u9ad8\u6570\u636e\u5e93\u7684\u7075\u6d3b\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n

Oracle\u6570\u636e\u5e93\u4e2d\u4fee\u6539\u5206\u533a\u540d\u79f0\u7684\u65b9\u6cd5<\/h3>\n

\u5728Oracle\u6570\u636e\u5e93\u4e2d\uff0c\u4fee\u6539\u5206\u533a\u540d\u79f0\u5e76\u4e0d\u50cf\u4fee\u6539\u8868\u540d\u79f0\u6216\u8005\u5217\u540d\u79f0\u90a3\u6837\u76f4\u63a5\uff0c\u9700\u8981\u901a\u8fc7\u4e00\u5b9a\u7684\u6b65\u9aa4\u6765\u5b9e\u73b0\u3002\u4e0b\u9762\u5c06\u4ecb\u7ecd\u5982\u4f55\u5728Oracle\u6570\u636e\u5e93\u4e2d\u4fee\u6539\u5206\u533a\u540d\u79f0\u7684\u5177\u4f53\u6b65\u9aa4\u3002<\/p>\n

    \n
  1. \u67e5\u8be2\u5206\u533a\u540d\u79f0<\/strong><\/li>\n<\/ol>\n

    \u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u67e5\u8be2\u5f53\u524d\u8868\u7684\u5206\u533a\u540d\u79f0\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0bSQL\u8bed\u53e5\u6765\u67e5\u770b\uff1a<\/p>\n

    SELECT table_name, partition_name\nFROM user_tab_partitions\nWHERE table_name = 'YOUR_TABLE_NAME';<\/pre>\n
    \u5176\u4e2d\uff0cYOUR_TABLE_NAME<\/code>\u4e3a\u9700\u8981\u4fee\u6539\u5206\u533a\u540d\u79f0\u7684\u8868\u540d\u3002<\/p>\n
      \n
    1. \u5220\u9664\u539f\u6709\u5206\u533a<\/strong><\/li>\n<\/ol>\n
      \u5728\u4fee\u6539\u5206\u533a\u540d\u79f0\u4e4b\u524d\uff0c\u9700\u8981\u5148\u5220\u9664\u539f\u6709\u7684\u5206\u533a\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8bed\u53e5\u6765\u5220\u9664\u6307\u5b9a\u7684\u5206\u533a\uff1a<\/p>\n
      ALTER TABLE YOUR_TABLE_NAME DROP PARTITION PARTITION_NAME;<\/pre>\n
      \u5176\u4e2d\uff0cYOUR_TABLE_NAME<\/code>\u4e3a\u9700\u8981\u5220\u9664\u5206\u533a\u7684\u8868\u540d\uff0cPARTITION_NAME<\/code>\u4e3a\u9700\u8981\u5220\u9664\u7684\u5206\u533a\u540d\u79f0\u3002<\/p>\n
        \n
      1. \u65b0\u589e\u5206\u533a<\/strong><\/li>\n<\/ol>\n
        \u5220\u9664\u539f\u6709\u5206\u533a\u540e\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0bSQL\u8bed\u53e5\u6765\u65b0\u589e\u65b0\u7684\u5206\u533a\uff1a<\/p>\n
        ALTER TABLE YOUR_TABLE_NAME ADD PARTITION NEW_PARTITION_NAME VALUES LESS THAN (SOME_VALUE);<\/pre>\n
        \u5176\u4e2d\uff0cYOUR_TABLE_NAME<\/code>\u4e3a\u9700\u8981\u65b0\u589e\u5206\u533a\u7684\u8868\u540d\uff0cNEW_PARTITION_NAME<\/code>\u4e3a\u65b0\u7684\u5206\u533a\u540d\u79f0\uff0cSOME_VALUE<\/code>\u4e3a\u65b0\u5206\u533a\u7684\u53d6\u503c\u8303\u56f4\u3002<\/p>\n
          \n
        1. \u4fee\u6539\u5206\u533a\u540d\u79f0<\/strong><\/li>\n<\/ol>\n
          \u6700\u540e\uff0c\u901a\u8fc7\u4ee5\u4e0bSQL\u8bed\u53e5\u4fee\u6539\u5206\u533a\u7684\u540d\u79f0\uff1a<\/p>\n
          ALTER TABLE YOUR_TABLE_NAME RENAME PARTITION OLD_PARTITION_NAME TO NEW_PARTITION_NAME;<\/pre>\n
          \u5176\u4e2d\uff0cYOUR_TABLE_NAME<\/code>\u4e3a\u9700\u8981\u4fee\u6539\u5206\u533a\u540d\u79f0\u7684\u8868\u540d\uff0cOLD_PARTITION_NAME<\/code>\u4e3a\u539f\u6709\u5206\u533a\u540d\u79f0\uff0cNEW_PARTITION_NAME<\/code>\u4e3a\u65b0\u7684\u5206\u533a\u540d\u79f0\u3002<\/p>\n
          \u793a\u4f8b<\/h3>\n
          \u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u540d\u4e3aEMPLOYEE<\/code>\u7684\u5458\u5de5\u8868\uff0c\u6309\u7167\u90e8\u95e8\u8fdb\u884c\u5206\u533a\uff0c\u73b0\u5728\u9700\u8981\u5c06\u539f\u6709\u7684\u90e8\u95e8\u5206\u533a\u540d\u79f0DEPT_01<\/code>\u4fee\u6539\u4e3aDEPT_NEW<\/code>\u3002\u6211\u4eec\u53ef\u4ee5\u6309\u7167\u4e0a\u8ff0\u6b65\u9aa4\u8fdb\u884c\u64cd\u4f5c\uff1a<\/p>\n
            \n
          1. \u67e5\u8be2\u5206\u533a\u540d\u79f0\uff1a<\/li>\n<\/ol>\n
            SELECT table_name, partition_name\nFROM user_tab_partitions\nWHERE table_name = 'EMPLOYEE';<\/pre>\n
              \n
            1. \u5220\u9664\u539f\u6709\u5206\u533a\uff1a<\/li>\n<\/ol>\n
              ALTER TABLE EMPLOYEE DROP PARTITION DEPT_01;<\/pre>\n
                \n
              1. \u65b0\u589e\u5206\u533a\uff1a<\/li>\n<\/ol>\n
                ALTER TABLE EMPLOYEE ADD PARTITION DEPT_NEW VALUES LESS THAN (100);<\/pre>\n
                  \n
                1. \u4fee\u6539\u5206\u533a\u540d\u79f0\uff1a<\/li>\n<\/ol>\n
                  ALTER TABLE EMPLOYEE RENAME PARTITION DEPT_01 TO DEPT_NEW;<\/pre>\n
                  \u901a\u8fc7\u4ee5\u4e0a\u64cd\u4f5c\uff0c\u6211\u4eec\u6210\u529f\u5c06\u5458\u5de5\u8868EMPLOYEE<\/code>\u7684\u539f\u6709\u90e8\u95e8\u5206\u533a\u540d\u79f0DEPT_01<\/code>\u4fee\u6539\u4e3aDEPT_NEW<\/code>\uff0c\u5b9e\u73b0\u4e86\u5206\u533a\u540d\u79f0\u7684\u7075\u6d3b\u4fee\u6539\u3002<\/p>\n
                  \u7ed3\u8bed<\/h3>\n
                  \u672c\u6587\u4ecb\u7ecd\u4e86\u5728Oracle\u6570\u636e\u5e93\u4e2d\u7075\u6d3b\u4fee\u6539\u5206\u533a\u540d\u79f0\u7684\u65b9\u6cd5\uff0c\u5e76\u63d0\u4f9b\u4e86\u8be6\u7ec6\u7684\u4ee3\u7801\u793a\u4f8b\u3002\u6570\u636e\u5e93\u7684\u4f18\u5316\u662f\u4e00\u4e2a\u6301\u7eed\u6539\u8fdb\u7684\u8fc7\u7a0b\uff0c\u7075\u6d3b\u4fee\u6539\u5206\u533a\u540d\u79f0\u53ef\u4ee5\u63d0\u9ad8\u6570\u636e\u5e93\u7684\u7075\u6d3b\u6027\u548c\u53ef\u7ef4\u62a4\u6027\uff0c\u5e2e\u52a9\u4f01\u4e1a\u66f4\u597d\u5730\u5e94\u5bf9\u4e0d\u65ad\u53d8\u5316\u7684\u4e1a\u52a1\u9700\u6c42\u3002\u5e0c\u671b\u672c\u6587\u5bf9\u4e8e\u4f7f\u7528Oracle\u6570\u636e\u5e93\u8fdb\u884c\u5206\u533a\u4f18\u5316\u7684\u8bfb\u8005\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n
                  \u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300a\u4ecb\u7ecdOracle\u6570\u636e\u5e93\u4e2d\u5982\u4f55\u7075\u6d3b\u4fee\u6539\u5206\u533a\u540d\u79f0\u300b\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5927\u5bb6\u90fd\u638c\u63e1\u4e86\u5427\uff01\u5982\u679c\u60f3\u8981\u7ee7\u7eed\u63d0\u5347\u81ea\u5df1\u7684\u80fd\u529b\uff0c\u90a3\u4e48\u5c31\u6765\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u5427\uff01<\/p>\n
                  \n
                  \n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
                  \u4ecb\u7ecdOracle\u6570\u636e\u5e93\u4e2d\u5982\u4f55\u7075\u6d3b...<\/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-199908","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199908","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=199908"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199908\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=199908"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=199908"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=199908"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}