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 | 533952686.189277 INDIA | 531811974.769486 CHINA | 527714735.029024 INDONESIA | 525615678.817462 JAPAN | 524959874.423668 (5 rows) COMMIT; COMMIT