mn</code> is specified.
 
 <p> The order column must be of integral type.  The persistence
 provider maintains a contiguous (non-sparse) ordering of the values
 of the order column when updating the association or element collection.
 The order column value for the first element is 0.

 <pre>

    Example:

    &#064;Entity
    public class CreditCard {

       &#064;Id long ccNumber;

       &#064;OneToMany  // unidirectional
       &#064;OrderColumn
       List&#060;CardTransaction&#062; transactionHistor