{"id":199781,"date":"2025-05-06T09:10:19","date_gmt":"2025-05-06T01:10:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/199781\/"},"modified":"2025-05-06T09:10:19","modified_gmt":"2025-05-06T01:10:19","slug":"%e6%b7%b1%e5%ba%a6%e6%8e%a2%e8%ae%a8oracle%e8%a1%a8%e7%a9%ba%e9%97%b4%e5%ae%b9%e9%87%8f%e6%9f%a5%e8%af%a2%e6%8a%80%e5%b7%a7","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/199781\/","title":{"rendered":"\u6df1\u5ea6\u63a2\u8ba8Oracle\u8868\u7a7a\u95f4\u5bb9\u91cf\u67e5\u8be2\u6280\u5de7"},"content":{"rendered":"

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

\u6df1\u5ea6\u63a2\u8ba8Oracle\u8868\u7a7a\u95f4\u5bb9\u91cf\u67e5\u8be2\u6280\u5de7<\/h1>\n

\u76ee\u524d\u4e3b\u673a\u5b9d\u8d1d\u4e0a\u5df2\u7ecf\u6709\u5f88\u591a\u5173\u4e8e\u7684\u6587\u7ae0\u4e86\uff0c\u81ea\u5df1\u5728\u521d\u6b21\u9605\u8bfb\u8fd9\u4e9b\u6587\u7ae0\u4e2d\uff0c\u4e5f\u89c1\u8bc6\u5230\u4e86\u5f88\u591a\u5b66\u4e60\u601d\u8def\uff1b\u90a3\u4e48\u672c\u6587\uff0c\u4e5f\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff0c\u5982\u679c\u9605\u8bfb\u5b8c\u540e\u771f\u7684\u5bf9\u4f60\u5b66\u4e60\u6709\u5e2e\u52a9\uff0c\u6b22\u8fce\u52a8\u52a8\u624b\u6307\uff0c\u8bc4\u8bba\u7559\u8a00\u5e76\u5206\u4eab~<\/p>\n

\u6df1\u5165\u89e3\u6790Oracle\u8868\u7a7a\u95f4\u5bb9\u91cf\u67e5\u8be2\u65b9\u6cd5<\/h1>\n

\u5728Oracle\u6570\u636e\u5e93\u7ba1\u7406\u4e2d\uff0c\u8868\u7a7a\u95f4\u662f\u7528\u6765\u5b58\u50a8\u6570\u636e\u5e93\u4e2d\u8868\u3001\u7d22\u5f15\u3001\u89c6\u56fe\u7b49\u5bf9\u8c61\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\u3002\u4e86\u89e3\u8868\u7a7a\u95f4\u7684\u5bb9\u91cf\u60c5\u51b5\u5bf9\u4e8e\u6570\u636e\u5e93\u7ba1\u7406\u5458\u6765\u8bf4\u662f\u81f3\u5173\u91cd\u8981\u7684\uff0c\u53ef\u4ee5\u5e2e\u52a9\u4ed6\u4eec\u53ca\u65f6\u505a\u597d\u5b58\u50a8\u7ba1\u7406\u548c\u89c4\u5212\u3002\u672c\u6587\u5c06\u6df1\u5165\u89e3\u6790Oracle\u8868\u7a7a\u95f4\u5bb9\u91cf\u67e5\u8be2\u7684\u65b9\u6cd5\uff0c\u5e76\u7ed9\u51fa\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

1. \u67e5\u8be2\u8868\u7a7a\u95f4\u5f53\u524d\u4f7f\u7528\u60c5\u51b5<\/h2>\n

\u8981\u67e5\u8be2\u8868\u7a7a\u95f4\u5f53\u524d\u7684\u4f7f\u7528\u60c5\u51b5\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0bSQL\u8bed\u53e5\u6765\u5b9e\u73b0\uff1a<\/p>\n

SELECT tablespace_name,\n       round((1 - (free_space \/ total_space)) * 100, 2) AS used_percentage,\n       free_space,\n       total_space\nFROM (SELECT tablespace_name,\n             sum(decode(autoextensible, 'NO', bytes, maxbytes)) AS total_space,\n             sum(decode(autoextensible, 'NO', bytes, maxbytes) - (bytes - blocks * block_size)) AS free_space\n      FROM dba_data_files\n      GROUP BY tablespace_name);<\/pre>\n
\u4e0a\u8ff0SQL\u8bed\u53e5\u4f1a\u5217\u51fa\u6bcf\u4e2a\u8868\u7a7a\u95f4\u7684\u540d\u79f0\u3001\u4f7f\u7528\u767e\u5206\u6bd4\u3001\u53ef\u7528\u7a7a\u95f4\u548c\u603b\u7a7a\u95f4\u3002<\/p>\n
2. \u67e5\u8be2\u8868\u7a7a\u95f4\u4e0b\u6bcf\u4e2a\u6570\u636e\u6587\u4ef6\u7684\u4f7f\u7528\u60c5\u51b5<\/h2>\n
\u5982\u679c\u9700\u8981\u8fdb\u4e00\u6b65\u4e86\u89e3\u6bcf\u4e2a\u8868\u7a7a\u95f4\u4e0b\u6bcf\u4e2a\u6570\u636e\u6587\u4ef6\u7684\u4f7f\u7528\u60c5\u51b5\uff0c\u53ef\u4ee5\u6267\u884c\u4ee5\u4e0bSQL\u67e5\u8be2\uff1a<\/p>\n
SELECT file_id,\n       file_name,\n       tablespace_name,\n       round((blocks * block_size) \/ 1024 \/ 1024, 2) AS file_size_mb,\n       round(sum(bytes) \/ 1024 \/ 1024, 2) AS used_space_mb,\n       round(sum(maxbytes - bytes) \/ 1024 \/ 1024, 2) AS free_space_mb,\n       round((1 - (sum(bytes) \/ sum(maxbytes))) * 100, 2) AS used_percentage\nFROM dba_data_files\nGROUP BY file_id,\n         file_name,\n         tablespace_name,\n         blocks,\n         block_size;<\/pre>\n
\u4e0a\u8ff0\u4ee3\u7801\u5c06\u8fd4\u56de\u6bcf\u4e2a\u6570\u636e\u6587\u4ef6\u7684ID\u3001\u540d\u79f0\u3001\u6240\u5c5e\u8868\u7a7a\u95f4\u3001\u6587\u4ef6\u5927\u5c0f\u3001\u5df2\u4f7f\u7528\u7a7a\u95f4\u3001\u53ef\u7528\u7a7a\u95f4\u548c\u4f7f\u7528\u767e\u5206\u6bd4\u3002<\/p>\n
3. \u67e5\u8be2\u8868\u7a7a\u95f4\u7684\u6570\u636e\u6587\u4ef6\u548c\u8868\u7a7a\u95f4\u4f7f\u7528\u60c5\u51b5<\/h2>\n
\u4ee5\u4e0bSQL\u8bed\u53e5\u53ef\u4ee5\u67e5\u8be2\u51fa\u6bcf\u4e2a\u6570\u636e\u6587\u4ef6\u5bf9\u5e94\u7684\u8868\u7a7a\u95f4\u540d\u3001\u6587\u4ef6\u540d\u3001\u5df2\u4f7f\u7528\u7a7a\u95f4\u548c\u5269\u4f59\u7a7a\u95f4\uff1a<\/p>\n
SELECT a.tablespace_name,\n       b.file_name,\n       round((a.bytes \/ 1024 \/ 1024), 2) AS file_size_mb,\n       round((a.bytes - sum(nvl(b.bytes, 0)) \/ 1024 \/ 1024), 2) AS used_space_mb,\n       round((sum(nvl(b.bytes, 0)) \/ 1024 \/ 1024), 2) AS free_space_mb\nFROM dba_data_files a\nLEFT JOIN dba_free_space b\nON a.file_id = b.file_id\nGROUP BY a.tablespace_name,\n         b.file_name,\n         a.bytes;<\/pre>\n
\u7ed3\u8bed<\/h2>\n
\u901a\u8fc7\u4ee5\u4e0a\u8be6\u7ec6\u7684\u4ee3\u7801\u793a\u4f8b\uff0c\u6211\u4eec\u53ef\u4ee5\u6e05\u6670\u5730\u4e86\u89e3\u5982\u4f55\u5728Oracle\u6570\u636e\u5e93\u4e2d\u67e5\u8be2\u8868\u7a7a\u95f4\u7684\u5bb9\u91cf\u60c5\u51b5\u3002\u8fd9\u4e9b\u67e5\u8be2\u5bf9\u4e8e\u6570\u636e\u5e93\u7ba1\u7406\u5458\u6765\u8bf4\u662f\u975e\u5e38\u6709\u7528\u7684\uff0c\u53ef\u4ee5\u5e2e\u52a9\u4ed6\u4eec\u53ca\u65f6\u76d1\u63a7\u548c\u7ba1\u7406\u6570\u636e\u5e93\u7684\u5b58\u50a8\u7a7a\u95f4\uff0c\u786e\u4fdd\u7cfb\u7edf\u7684\u6b63\u5e38\u8fd0\u884c\u3002\u5e0c\u671b\u672c\u6587\u5bf9\u8bfb\u8005\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u300a\u6df1\u5ea6\u63a2\u8ba8Oracle\u8868\u7a7a\u95f4\u5bb9\u91cf\u67e5\u8be2\u6280\u5de7\u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8eOracle,\u67e5\u8be2,\u8868\u7a7a\u95f4\u7684\u8d44\u6599\u8bf7\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\uff01<\/p>\n
\n
\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
\u6df1\u5ea6\u63a2\u8ba8Oracle\u8868\u7a7a\u95f4\u5bb9\u91cf\u67e5...<\/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-199781","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199781","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=199781"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199781\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=199781"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=199781"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=199781"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}