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', '13', '15', '29', '30', '18', '22') and c_acctbal > ( select avg(c_acctbal) from customer where c_acctbal > 0.00 and substr(c_phone, 1, 2) in ('32', '13', '15', '29', '30', '18', '22') ) and not exists ( select * from orders where o_custkey = c_custkey ) ) as vip group by cntrycode order by cntrycode; cntrycode | numcust | totacctbal -----------+---------+------------- 13 | 9021 | 6.75725e+07 15 | 9040 | 6.78573e+07 18 | 9205 | 6.92877e+07 22 | 8993 | 6.72869e+07 29 | 9192 | 6.89804e+07 30 | 9338 | 7.0094e+07 32 | 9095 | 6.83851e+07 (7 rows) COMMIT; COMMIT