Temporary segments are not cleaned by SMON
(Doc ID 793832.1)
Last updated on AUGUST 04, 2018
Applies to:Oracle Server - Enterprise Edition - Version: 188.8.131.52 to 184.108.40.206 - Release: 9.2 to 11.1
Information in this document applies to any platform.
1- After moving indexes from one tablespace to another using , the "ALTER INDEX OWNER.SEGMENT_NAME REBUILD
2 - The following is a sample of the output in the source tablespace where the space was not released that clarifies the issue :
SQL> select owner,segment_name,segment_type,tablespace_name from dba_segments where owner='TRADEDB' and segment_type='TEMPORARY'
OWNER SEGMENT_NAME SEGMENT_TYPE TABLESPACE_NAME
XXXXXX 41.883913 TEMPORARY
1- Set the source tablespace to be read only
2- "ALTER INDEX OWNER.SEGMENT_NAME REBUILD <source_tablespace> <target_tablespace>"
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