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', '29', '15', '19', '25', '34', '17') and c_acctbal > ( select avg(c_acctbal) from customer where c_acctbal > 0.00 and substr(c_phone, 1, 2) in ('32', '29', '15', '19', '25', '34', '17') ) and not exists ( select * from orders where o_custkey = c_custkey ) ) as vip group by cntrycode order by cntrycode; cntrycode | numcust | totacctbal -----------+---------+------------- 15 | 9042 | 6.78673e+07 17 | 9060 | 6.80496e+07 19 | 9080 | 6.81874e+07 25 | 9110 | 6.83558e+07 29 | 9192 | 6.89804e+07 32 | 9095 | 6.83851e+07 34 | 9119 | 6.834e+07 (7 rows) COMMIT; COMMIT