system表空间过大问题(审计日志) - 数据库

用如下sql查看占用情况，发现sys.AUD$审计日志表占用27G，且不断增长。。（truncate或关闭审计日志处理）
SELECT *
FROM (SELECT BYTES/1024/1024, segment_name, segment_type, owner
FROM dba_segments
WHERE tablespace_name = 'SYSTEM'
ORDER BY BYTES DESC)
WHERE ROWNUM < 10;

27908 AUD$ TABLE SYS
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其他相关统计sql:
查看表空间对应数据文件占用情况
SELECT Upper(F.TABLESPACE_NAME) "表空间名",
D.TOT_GROOTTE_MB "表空间大小(M)",
D.TOT_GROOTTE_MB - F.TOTAL_BYTES "已使用空间(M)",
To_char(Round(( D.TOT_GROOTTE_MB - F.TOTAL_BYTES ) / D.TOT_GROOTTE_MB * 100, 2), '990.99')
|| '%' "使用比",
F.TOTAL_BYTES "空闲空间(M)",
F.MAX_BYTES "最大块(M)"
FROM (SELECT TABLESPACE_NAME,
Round(Sum(BYTES) / ( 1024 * 1024 ), 2) TOTAL_BYTES,
Round(Max(BYTES) / ( 1024 * 1024 ), 2) MAX_BYTES
FROM SYS.DBA_FREE_SPACE
GROUP BY TABLESPACE_NAME) F,
(SELECT DD.TABLESPACE_NAME,
Round(Sum(DD.BYTES) / ( 1024 * 1024 ), 2) TOT_GROOTTE_MB
FROM SYS.DBA_DATA_FILES DD
GROUP BY DD.TABLESPACE_NAME) D
WHERE D.TABLESPACE_NAME = F.TABLESPACE_NAME
ORDER BY 1;

查看表空间对应数据文件存放位置及大小
select tablespace_name, file_id,file_name,
round(bytes/(1024*1024),0) total_space from dba_data_files order by tablespace_name;

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