Oracle - tablespace 사용량
SELECT a.tablespace_name , a.total "Total(Mb)" , a.total - b.free "Used(Mb)" , nvl(b.free,0) "Free(Mb)" , round((a.total - nvl(b.free,0))*100/total,0) "Used(%)" from (select tablespace_name, round((sum(bytes)/1024/1024),0) as total from dba_data_files group by tablespace_name) a ,(select tablespace_name, round((sum(bytes)/1024/1024),0) as free from dba_free_space group by tablespace_name) b wher..