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 ('22', '12', '17', '10', '19', '11', '14') and c_acctbal > ( select avg(c_acctbal) from customer where c_acctbal > 0.00 and substr(c_phone, 1, 2) in ('22', '12', '17', '10', '19', '11', '14') ) and not exists ( select * from orders where o_custkey = c_custkey ) ) as vip group by cntrycode order by cntrycode; cntrycode | numcust | totacctbal -----------+---------+------------- 10 | 9061 | 6.77923e+07 11 | 9013 | 6.79296e+07 12 | 9048 | 6.78536e+07 14 | 9014 | 6.78064e+07 17 | 9067 | 6.80846e+07 19 | 9087 | 6.82224e+07 22 | 9000 | 6.73219e+07 (7 rows) COMMIT; COMMIT