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 ('32', '10', '14', '34', '23', '11', '26') and c_acctbal > ( select avg(c_acctbal) from customer where c_acctbal > 0.00 and substr(c_phone, 1, 2) in ('32', '10', '14', '34', '23', '11', '26') ) and not exists ( select * from orders where o_custkey = c_custkey ) ) as vip group by cntrycode order by cntrycode; cntrycode | numcust | totacctbal -----------+---------+------------- 10 | 9053 | 6.77524e+07 11 | 9007 | 6.78996e+07 14 | 9003 | 6.77515e+07 23 | 8979 | 6.75829e+07 26 | 9013 | 6.77049e+07 32 | 9093 | 6.83751e+07 34 | 9118 | 6.8335e+07 (7 rows) COMMIT; COMMIT