查看oracle表空间自增,Oracle表空间使用查询

--查询表空间使用情况

SELECT UPPER(F.TABLESPACE_NAME) "表空间名",

D.TOT_GROOTTE_MB "自增表空间大小(G)",

D.TOT_GROOTTE_MB - F.TOTAL_BYTES "已使用空间(G)",

TO_CHAR(ROUND(((D.TOT_GROOTTE_MB - F.TOTAL_BYTES)*100) / DDF.MAX_BYTES ,2),'990.99') || '%' "使用比",

DDF.MAX_BYTES "最大表空间(G)"

FROM (SELECT TABLESPACE_NAME,

ROUND(SUM(BYTES) / (1024 * 1024 * 1024), 2) TOTAL_BYTES

FROM SYS.DBA_FREE_SPACE

GROUP BY TABLESPACE_NAME) F,

(SELECT DD.TABLESPACE_NAME,

ROUND(SUM(DD.BYTES) / (1024 * 1024 * 1024), 2) TOT_GROOTTE_MB

FROM SYS.DBA_DATA_FILES DD

GROUP BY DD.TABLESPACE_NAME) D,

(select tablespace_name,sum(case when maxbytes!='0' then maxbytes/1024/1024/1024 else bytes/1024/1024/1024 end) max_bytes

from dba_data_files group by tablespace_name) ddf

where D.tablespace_name=F.tablespace_