Where is the TEMP space used?

The following statements should give us more indication about the TEMP usage and what is using it: col username format a10 col osuser format a8 col SID_SERIAL format a8 col PROCESS format 9999999 col tablespace format a7 col status format a9 col size_mb format 9999999999999 set lin 300 SELECT   b.TABLESPACE        –, b.segfile#        –,…