created: 20190816092600823
creator: vplesnila
modified: 20190816123958688
modifier: vplesnila
tags: Oracle
title: TEMPORARY tablespaces
type: text/plain

-- temporary tablespace size
select tablespace_name, sum(bytes)/1024/1024 MB
from dba_temp_files
group by tablespace_name;

-- temporary tablespace allocation/usage report
select tablespace_name, sum(bytes_used) /1024/1024 mb_used, sum(bytes_cached) /1024/1024 mb_allocated
       from gv$temp_extent_pool
       group by tablespace_name;
       
select tablespace_name,
       file_id,
       extents_cached extents_allocated,
       extents_used,
       bytes_cached/1024/1024 mb_allocated,
       bytes_used/1024/1024 mb_used
from gv$temp_extent_pool;


--Sort Space Usage by Session--
set lines 200
col SID_SERIAL for a10
col USERNAME for a15
col OSUSER for a10
col SPID for a10
col MODULE for a25
col PROGRAM for a25
col TABLESPACE for a15
SELECT   S.sid || ',' || S.serial# sid_serial, S.username, S.osuser, P.spid, S.module,
         S.program, SUM (T.blocks) * TBS.block_size / 1024 / 1024 mb_used, T.tablespace,
         COUNT(*) sort_ops
FROM     gv$sort_usage T, gv$session S, dba_tablespaces TBS, gv$process P
WHERE    T.session_addr = S.saddr
AND      S.paddr = P.addr
AND      T.tablespace = TBS.tablespace_name
GROUP BY S.sid, S.serial#, S.username, S.osuser, P.spid, S.module,
         S.program, TBS.block_size, T.tablespace
ORDER BY sid_serial;


-- temp space uded by a query
select temp_space from gv$sql_plan where sql_id = '&sql_id';