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', '32', '10', '20', '22', '13', '23') and c_acctbal > ( select avg(c_acctbal) from customer where c_acctbal > 0.00 and substr(c_phone, 1, 2) in ('14', '32', '10', '20', '22', '13', '23') ) and not exists ( select * from orders where o_custkey = c_custkey ) ) as vip group by cntrycode order by cntrycode; cntrycode | numcust | totacctbal -----------+---------+------------- 10 | 9054 | 6.77574e+07 13 | 9022 | 6.75775e+07 14 | 9008 | 6.77765e+07 20 | 9243 | 6.94403e+07 22 | 8994 | 6.72919e+07 23 | 8981 | 6.75929e+07 32 | 9095 | 6.83851e+07 (7 rows) COMMIT; COMMIT