BEGIN;
BEGIN
create or replace view revenue7 (supplier_no, total_revenue) as
	select
		l_suppkey,
		sum(l_extendedprice * (1 - l_discount))
	from
		lineitem
	where
		l_shipdate >= '1994-07-01'
		and l_shipdate < date'1994-07-01' + interval '90 days'
	group by
		l_suppkey;
CREATE VIEW
select
	s_suppkey,
	s_name,
	s_address,
	s_phone,
	total_revenue
from
	supplier,
	revenue7
where
	s_suppkey = supplier_no
	and total_revenue = (
		select
			max(total_revenue)
		from
			revenue7
	)
order by
	s_suppkey;
 s_suppkey |          s_name           |          s_address          |     s_phone     |  total_revenue   
-----------+---------------------------+-----------------------------+-----------------+------------------
      7994 | Supplier#000007994        | wi95xMemaeC,Yj,npbYkJeKWd1D | 20-779-329-7750 | 2173780.48841032
(1 row)

drop view revenue7;
DROP VIEW
COMMIT;
COMMIT