테이블 용량 조사하는 쿼리 예시

select
ts.status
, data.name
, ts.contents
, extent_management
, data.Mbytes "SPACE(MB)", free.free "FREE(MB)"
, trunc((data.Mbytes-free.free)/data.Mbytes*100,2) "Used(%)"
from (select tablespace_name name, trunc(sum(bytes/1024/1024)) Mbytes
from dba_data_files
group by tablespace_name) data,
(select free.tablespace_name, trunc(sum(free.bytes)/1024/1024,1) free
from dba_free_space free
group by free.tablespace_name) free,
dba_tablespaces ts
where data.name = free.tablespace_name
and data.name = ts.tablespace_name
;

 

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