Check for Extents that cannot extent


SELECT e.owner, e.segment_name, e.segment_type, 
 count(*) seg_count, avg(max_extents) seg_max 
FROM dba_extents e , dba_segments s 
WHERE e.segment_name = s.segment_name 
AND e.owner = s.owner 
AND e.segment_type != 'ROLLBACK' 
GROUP BY e.owner, e.segment_name, e.segment_type 
HAVING COUNT(*) = AVG(max_extents)
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