BEGIN; BEGIN select cntrycode, count(*) as numcust, sum(c_acctbal) as totacctbal from ( select substr(c_phone, 1, 2) as cntrycode, c_acctbal from customer where substr(c_phone, 1, 2) in ('14', '34', '24', '32', '20', '13', '11') and c_acctbal > ( select avg(c_acctbal) from customer where c_acctbal > 0.00 and substr(c_phone, 1, 2) in ('14', '34', '24', '32', '20', '13', '11') ) and not exists ( select * from orders where o_custkey = c_custkey ) ) as vip group by cntrycode order by cntrycode; cntrycode | numcust | totacctbal -----------+---------+------------- 11 | 9011 | 6.79196e+07 13 | 9023 | 6.75825e+07 14 | 9011 | 6.77915e+07 20 | 9245 | 6.94503e+07 24 | 8939 | 6.70496e+07 32 | 9098 | 6.84001e+07 34 | 9125 | 6.837e+07 (7 rows) COMMIT; COMMIT