code: public Iterator select(String predicate) throws org.odmg.QueryInvalidException
      {
          return this.query(predicate).iterator();
      }
docs: Access all of the elements of the collection that evaluate to true for the
  provided query predicate.
  @param	predicate	An OQL boolean query predicate.
  @return	An iterator used to iterate over the elements that evaluated true for the predicate.
  @exception	org.odmg.QueryInvalidException	The query predicate is invalid.