$stmnt = :"select acct_nbr,cycle_cd,cycle_end_dt from usage_rcvd" ;
$sth = dbh->prepare($stmt);

while ($sth->fetch())
{
bind_col(1,$acct_nbr);
bind_col(2,$cyc_cd);
bind_col(3,$cyc_end);

here I need to store them in hash array:
key is $acct_nbr
values are $cyc_cd and $cyc_end


}