Hi This is simple math....
select stgpool_name,DEDUP_SPACE_SAVED_MB/(DEDUP_SPACE_SAVED_MB+COMP_SPACE_SAVED_MB+(EST_CAPACITY_MB*PCT_UTILIZED/100))*100||'%' as "Dedup savings" from stgpools select stgpool_name,COMP_SPACE_SAVED_MB/(COMP_SPACE_SAVED_MB+(EST_CAPACITY_MB*PCT_UTILIZED/100))*100||'%' as "Compression savings" from stgpools Best Regards Anders Räntilä