{"id":199815,"date":"2025-05-06T10:56:12","date_gmt":"2025-05-06T02:56:12","guid":{"rendered":"https:\/\/server.hk\/cnblog\/199815\/"},"modified":"2025-05-06T10:56:12","modified_gmt":"2025-05-06T02:56:12","slug":"%e6%9f%a5%e8%af%a2oracle%e4%b8%ad%e7%9a%84%e8%a1%a8%e7%a9%ba%e9%97%b4%e5%ae%b9%e9%87%8f%e4%bf%a1%e6%81%af%e6%ad%a5%e9%aa%a4","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/199815\/","title":{"rendered":"\u67e5\u8be2Oracle\u4e2d\u7684\u8868\u7a7a\u95f4\u5bb9\u91cf\u4fe1\u606f\u6b65\u9aa4"},"content":{"rendered":"

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

\u67e5\u8be2Oracle\u4e2d\u7684\u8868\u7a7a\u95f4\u5bb9\u91cf\u4fe1\u606f\u6b65\u9aa4<\/h1>\n

\u79ef\u7d2f\u77e5\u8bc6\uff0c\u80dc\u8fc7\u79ef\u84c4\u91d1\u94f6\uff01\u6bd5\u7adf\u5728\u6570\u636e\u5e93\u5f00\u53d1\u7684\u8fc7\u7a0b\u4e2d\uff0c\u4f1a\u9047\u5230\u5404\u79cd\u5404\u6837\u7684\u95ee\u9898\uff0c\u5f80\u5f80\u90fd\u662f\u4e00\u4e9b\u7ec6\u8282\u77e5\u8bc6\u70b9\u8fd8\u6ca1\u6709\u638c\u63e1\u597d\u800c\u5bfc\u81f4\u7684\uff0c\u56e0\u6b64\u57fa\u7840\u77e5\u8bc6\u70b9\u7684\u79ef\u7d2f\u662f\u5f88\u91cd\u8981\u7684\u3002\u4e0b\u9762\u672c\u6587\u300a\u67e5\u8be2Oracle\u4e2d\u7684\u8868\u7a7a\u95f4\u5bb9\u91cf\u4fe1\u606f\u6b65\u9aa4\u300b\uff0c\u5c31\u5e26\u5927\u5bb6\u8bb2\u89e3\u4e00\u4e0b\u77e5\u8bc6\u70b9\uff0c\u82e5\u662f\u4f60\u5bf9\u672c\u6587\u611f\u5174\u8da3\uff0c\u6216\u8005\u662f\u60f3\u641e\u61c2\u5176\u4e2d\u67d0\u4e2a\u77e5\u8bc6\u70b9\uff0c\u5c31\u8bf7\u4f60\u7ee7\u7eed\u5f80\u4e0b\u770b\u5427~<\/p>\n

\u5982\u4f55\u4f7f\u7528Oracle\u67e5\u8be2\u8868\u7a7a\u95f4\u5bb9\u91cf\u4fe1\u606f<\/p>\n

\u5728Oracle\u6570\u636e\u5e93\u4e2d\uff0c\u8868\u7a7a\u95f4\u662f\u7528\u6765\u5b58\u50a8\u8868\u3001\u7d22\u5f15\u548c\u5176\u4ed6\u6570\u636e\u5e93\u5bf9\u8c61\u7684\u903b\u8f91\u5b58\u50a8\u5355\u5143\u3002\u4e86\u89e3\u8868\u7a7a\u95f4\u7684\u5bb9\u91cf\u4fe1\u606f\u5bf9\u4e8e\u6570\u636e\u5e93\u7ba1\u7406\u5458\u6765\u8bf4\u975e\u5e38\u91cd\u8981\uff0c\u53ef\u4ee5\u5e2e\u52a9\u4ed6\u4eec\u76d1\u63a7\u6570\u636e\u5e93\u7684\u7a7a\u95f4\u4f7f\u7528\u60c5\u51b5\uff0c\u53ca\u65f6\u8c03\u6574\u8868\u7a7a\u95f4\u7684\u5927\u5c0f\u4ee5\u907f\u514d\u51fa\u73b0\u7a7a\u95f4\u4e0d\u8db3\u7684\u60c5\u51b5\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528Oracle\u67e5\u8be2\u8868\u7a7a\u95f4\u5bb9\u91cf\u4fe1\u606f\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

\u4e00\u3001\u67e5\u8be2\u8868\u7a7a\u95f4\u7684\u603b\u5bb9\u91cf\u3001\u5df2\u4f7f\u7528\u5bb9\u91cf\u548c\u5269\u4f59\u5bb9\u91cf
\u8981\u67e5\u8be2\u8868\u7a7a\u95f4\u7684\u603b\u5bb9\u91cf\u3001\u5df2\u4f7f\u7528\u5bb9\u91cf\u548c\u5269\u4f59\u5bb9\u91cf\uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u7684SQL\u8bed\u53e5\uff1a<\/p>\n

SELECT tablespace_name, SUM(bytes) AS total_bytes, SUM(bytes - NVL(free.bytes, 0)) AS used_bytes, NVL(free.bytes, 0) AS free_bytes\nFROM dba_data_files df\nLEFT JOIN (SELECT file_id, SUM(bytes) AS bytes FROM dba_free_space GROUP BY file_id) free\nON df.file_id = free.file_id\nGROUP BY tablespace_name;<\/pre>\n
\u8fd9\u6bb5\u4ee3\u7801\u9996\u5148\u4ecedba_data_files\u89c6\u56fe\u4e2d\u83b7\u53d6\u4e86\u8868\u7a7a\u95f4\u6587\u4ef6\u7684\u4fe1\u606f\u548c\u5927\u5c0f\uff0c\u7136\u540e\u901a\u8fc7LEFT JOIN\u8fde\u63a5dba_free_space\u89c6\u56fe\u83b7\u53d6\u4e86\u8868\u7a7a\u95f4\u7684\u53ef\u7528\u7a7a\u95f4\u4fe1\u606f\uff0c\u6700\u540e\u8ba1\u7b97\u51fa\u4e86\u603b\u5bb9\u91cf\u3001\u5df2\u4f7f\u7528\u5bb9\u91cf\u548c\u5269\u4f59\u5bb9\u91cf\u3002<\/p>\n
\u4e8c\u3001\u67e5\u8be2\u8868\u7a7a\u95f4\u4e2d\u6bcf\u4e2a\u6570\u636e\u6587\u4ef6\u7684\u4f7f\u7528\u60c5\u51b5
\u5982\u679c\u60f3\u5177\u4f53\u4e86\u89e3\u6bcf\u4e2a\u6570\u636e\u6587\u4ef6\u7684\u4f7f\u7528\u60c5\u51b5\uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u7684SQL\u8bed\u53e5\uff1a<\/p>\n
SELECT file_id, file_name, tablespace_name, bytes, bytes - NVL(free.bytes, 0) AS used_bytes, NVL(free.bytes, 0) AS free_bytes\nFROM dba_data_files df\nLEFT JOIN (SELECT file_id, SUM(bytes) AS bytes FROM dba_free_space GROUP BY file_id) free\nON df.file_id = free.file_id;<\/pre>\n
\u8fd9\u6bb5\u4ee3\u7801\u4e0e\u7b2c\u4e00\u6bb5\u4ee3\u7801\u7c7b\u4f3c\uff0c\u53ea\u662f\u6dfb\u52a0\u4e86file_id\u548cfile_name\u5b57\u6bb5\uff0c\u53ef\u4ee5\u66f4\u8be6\u7ec6\u5730\u4e86\u89e3\u6bcf\u4e2a\u6570\u636e\u6587\u4ef6\u7684\u4f7f\u7528\u60c5\u51b5\u3002<\/p>\n
\u4e09\u3001\u67e5\u8be2\u8868\u7a7a\u95f4\u4e2d\u5404\u4e2a\u6bb5\u7684\u7a7a\u95f4\u4f7f\u7528\u60c5\u51b5
\u5982\u679c\u9700\u8981\u67e5\u8be2\u8868\u7a7a\u95f4\u4e2d\u5404\u4e2a\u6bb5\uff08\u8868\u3001\u7d22\u5f15\u7b49\uff09\u7684\u7a7a\u95f4\u4f7f\u7528\u60c5\u51b5\uff0c\u53ef\u4ee5\u4f7f\u7528\u5982\u4e0b\u7684SQL\u8bed\u53e5\uff1a<\/p>\n
SELECT segment_name, tablespace_name, SUM(bytes) AS total_bytes\nFROM dba_segments\nGROUP BY segment_name, tablespace_name;<\/pre>\n
\u8fd9\u6bb5\u4ee3\u7801\u4ecedba_segments\u89c6\u56fe\u4e2d\u83b7\u53d6\u4e86\u5404\u4e2a\u6bb5\u7684\u4fe1\u606f\u548c\u5927\u5c0f\uff0c\u5e76\u6309\u7167segment_name\u548ctablespace_name\u5206\u7ec4\u7edf\u8ba1\u4e86\u5404\u4e2a\u6bb5\u7684\u603b\u5927\u5c0f\u3002<\/p>\n
\u4ee5\u4e0a\u662f\u5173\u4e8e\u5982\u4f55\u4f7f\u7528Oracle\u67e5\u8be2\u8868\u7a7a\u95f4\u5bb9\u91cf\u4fe1\u606f\u7684\u8be6\u7ec6\u8bf4\u660e\u548c\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002\u901a\u8fc7\u8fd9\u4e9b\u67e5\u8be2\uff0c\u6570\u636e\u5e93\u7ba1\u7406\u5458\u53ef\u4ee5\u53ca\u65f6\u76d1\u63a7\u6570\u636e\u5e93\u7684\u7a7a\u95f4\u4f7f\u7528\u60c5\u51b5\uff0c\u5408\u7406\u7ba1\u7406\u8868\u7a7a\u95f4\uff0c\u786e\u4fdd\u6570\u636e\u5e93\u7684\u6b63\u5e38\u8fd0\u884c\u3002<\/p>\n
\u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300a\u67e5\u8be2Oracle\u4e2d\u7684\u8868\u7a7a\u95f4\u5bb9\u91cf\u4fe1\u606f\u6b65\u9aa4\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":"
\u67e5\u8be2Oracle\u4e2d\u7684\u8868\u7a7a\u95f4\u5bb9\u91cf\u4fe1...<\/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-199815","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199815","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=199815"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199815\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=199815"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=199815"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=199815"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}