l_returnflag

,l_linestatus

,sum(l_quantity) as sum_qty

,sum(l_extendedprice) as sum_base_price

,sum(l_extendedprice * (1 - l_discount)) as sum_disc_price

,sum(l_extendedprice * (1 - l_discount) * (1 + l_tax)) as sum_charge

,avg(l_quantity) as avg_qty

,avg(l_extendedprice) as avg_price

,avg(l_discount) as avg_disc

,count(*) as count_order

from

lineitem2

where

l_shipdate <= date '1998-12-01' - interval '90' day

group by

l_returnflag

,l_linestatus

order by

l_returnflag

,l_linestatus;