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(Continued from previous question...)
Oracle DBA Checklist - Daily Procedures - nr_extents.sql
-- nr_extents.sql
--
-- To find out any object reaching <threshold>
-- extents, and manually upgrade it to allow unlimited
-- max_extents (thus only objects we *expect* to be big
-- are allowed to become big)
--
8
SELECT e.owner, e.segment_type , e.segment_name , count(*) as nr_extents , s.max_extents
, to_char ( sum ( e.bytes ) / ( 1024 * 1024 ) , '999,999.90') as MB
FROM dba_extents e , dba_segments s
WHERE e.segment_name = s.segment_name
GROUP BY e.owner, e.segment_type , e.segment_name , s.max_extents
HAVING count(*) > &THRESHOLD
OR ( ( s.max_extents - count(*) ) < &&THRESHOLD )
ORDER BY count(*) desc
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