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 '1994-01-01' and o_orderdate < date '1994-01-01' + interval '1 year' group by n_name order by revenue desc; n_name | revenue ---------------------------+------------------ INDIA | 537251117.082225 CHINA | 534675827.405162 VIETNAM | 532021270.023959 JAPAN | 527297318.397842 INDONESIA | 522938043.473302 (5 rows) COMMIT; COMMIT