text: 
  --   www.hackerrank.com test used by TrialPay a Visa company
  --   Find the 5 oldest (earliest) orders which are not yet shipped.
  --   (rownum is Oracle SQL) asc is default
  
   select orderNumber, orderDate, requiredDate, shippedDate, status,  comments, customerNumber
   from orders
   where  status <> 'Shipped'  and rownum <= 5
   order by orderDate;
  