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  • oracle 表空间使用情况

    --表空间使用情况

    SELECT a.tablespace_name "表空间名",
    round(total/1024/1024,2) "表空间大小",
    round(free/1024/1024,2) "表空间剩余大小",
    round(( total - free )/1024/1024,2) "表空间使用大小",
    Round(( total - free ) / total, 4) * 100 "使用率%"
    FROM (SELECT tablespace_name,
    Sum(bytes) free
    FROM DBA_FREE_SPACE
    GROUP BY tablespace_name) a,
    (SELECT tablespace_name,
    Sum(bytes) total
    FROM DBA_DATA_FILES
    GROUP BY tablespace_name) b
    WHERE a.tablespace_name = b.tablespace_name;

    --临时表空间使用情况

    select tablespace_name "表空间名",
    round(user_bytes/1024/1024) "已用大小",
    round(bytes/1024/1024) "表空间大小",
    round(maxbytes/1024/1024) "可扩展最大",
    round(user_bytes/bytes, 2)*100 "使用率%"
    from dba_temp_files;

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  • 原文地址:https://www.cnblogs.com/eclipse-/p/5407885.html
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