select * from customer where c_custkey < 50000;
select * from customer where c_custkey < 100000;
select * from customer where c_custkey < 140000;
select * from customer order by c_acctbal;
select * from customer where c_acctbal between 0 and 1000 order by c_acctbal;

create index customer_acctbal_idx on customer (c_acctbal asc) collect detailed statistics;
reorg table customer index customer_acctbal_idx;
runstats on table db2inst1.customer on all columns and indexes all allow read access;