BEGIN;
BEGIN
select
	sum(l_extendedprice * l_discount) as revenue
from
	lineitem
where
	l_shipdate >= date '1994-01-01'
	and l_shipdate < cast(date '1994-01-01' + interval '1 year' as date)
	and l_discount between 0.09 - 0.01 and 0.09 + 0.01
	and l_quantity < 24;
   revenue   
-------------
 6.15887e+08
(1 row)

COMMIT;
COMMIT