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 | 532986011.588467 INDIA | 530749190.120459 CHINA | 527150985.705005 INDONESIA | 524726599.074148 JAPAN | 524357548.7025 (5 rows) COMMIT; COMMIT