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select round(space_used/space_limit*100,2) "Tx FRA %" from v$recovery_file_dest;

SET LINES 132
 
SELECT file_type
     , round(space_limit*percent_space_used/100/1024/1024,0) used_mb
     , round(percent_space_used,0) used_pct
     , round(space_limit*percent_space_reclaimable/100/1024/1024,0) reclaimable_mb
     , round(percent_space_reclaimable,0) reclaimable_pct
     , frau.number_of_files num_of_files
FROM v$recovery_file_dest rfd, v$flash_recovery_area_usage frau
UNION ALL
SELECT '** Total **' 
     , round(space_used/1024/1024,0) 
     , round(100*space_used/space_limit,0)
     , round(space_reclaimable/1024/1024,0) 
     , round(100*space_reclaimable/space_limit,0)
     , number_of_files
FROM v$recovery_file_dest rfd;