[ORACLE] 테이블 스페이스 용량 확인 쿼리

select   substr(a.tablespace_name,1,30) tablespace,

         round(sum(a.total1)/1024/1024,1) "TotalMB",

         round(sum(a.total1)/1024/1024,1)-round(sum(a.sum1)/1024/1024,1) "UsedMB",

         round(sum(a.sum1)/1024/1024,1) "FreeMB",

         round((round(sum(a.total1)/1024/1024,1)-round(sum(a.sum1)/1024/1024,1))/round(sum(a.total1)/1024/1024,1)*100,2) "Used%"

from

         (select   tablespace_name,0 total1,sum(bytes) sum1,max(bytes) MAXB,count(bytes) cnt

          from     dba_free_space

          group by tablespace_name

          union

          select   tablespace_name,sum(bytes) total1,0,0,0

          from     dba_data_files

          group by tablespace_name) a

group by a.tablespace_name

order by tablespace;