oracle表空间的已分配大小和空闲的已分配大小
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发布时间：2022-05-01 19:27
共1个回答
热心网友
时间：2022-04-14 04:31
Free_space, (total_space-Free_space) Used_space, total_space
FROM
(select tablespace_name, sum(bytes/1024/1024) Free_Space
from sys.dba_free_space
group by tablespace_name
) Free,
(select b.name, sum(bytes/1024/1024) TOTAL_SPACE
from sys.v_$datafile a, sys.v_$tablespace B
where a.ts# = b.ts#
group by b.name
) Total
WHERE Free.Tablespace_name = Total.name
