2.sql

select s_acctbal, s_name, n_name, p_partkey, p_mfgr, s_address, s_phone, s_comment from PART, SUPPLIER, PARTSUPP, NATION, REGION where p_partkey = ps_partkey and s_suppkey = ps_suppkey and p_size = 30 and p_type like '%STEEL' and s_nationkey = n_nationkey and n_regionkey = r_regionkey and r_name = 'ASIA' and ps_supplycost = (select min(ps_supplycost) from PARTSUPP, SUPPLIER, NATION, REGION where p_partkey = ps_partkey and s_suppkey = ps_suppkey and s_nationkey = n_nationkey and n_regionkey = r_regionkey and r_name = 'ASIA') order by s_acctbal desc, n_name, s_name, p_partkey limit 100;