BEGIN; BEGIN select n_name, sum(l_extendedprice * (1 - l_discount)) as revenue from customer, orders, lineitem, supplier, nation, region where c_custkey = o_custkey and l_orderkey = o_orderkey and l_suppkey = s_suppkey and c_nationkey = s_nationkey and s_nationkey = n_nationkey and n_regionkey = r_regionkey and r_name = 'ASIA' and o_orderdate >= date '1996-01-01' and o_orderdate < date '1996-01-01' + interval '1 year' group by n_name order by revenue desc; n_name | revenue ---------------------------+------------------ VIETNAM | 532856761.404142 INDIA | 530675237.37551 CHINA | 526644535.644388 JAPAN | 524732790.141986 INDONESIA | 523760288.117237 (5 rows) COMMIT; COMMIT