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', '34', '32', '33', '16', '19', '25') and c_acctbal > ( select avg(c_acctbal) from customer where c_acctbal > 0.00 and substr(c_phone, 1, 2) in ('22', '34', '32', '33', '16', '19', '25') ) and not exists ( select * from orders where o_custkey = c_custkey ) ) as vip group by cntrycode order by cntrycode; cntrycode | numcust | totacctbal -----------+---------+------------- 16 | 8968 | 6.72388e+07 19 | 9081 | 6.81924e+07 22 | 8995 | 6.72969e+07 25 | 9111 | 6.83608e+07 32 | 9095 | 6.83851e+07 33 | 9175 | 6.88601e+07 34 | 9121 | 6.835e+07 (7 rows) COMMIT; COMMIT