f which would be interesting from a query
        perspective. But suppose, instead, that we were storing 
        information on something with many more characteristics that can be queried, such
        as an automobile. In that case, you may be storing information such as
        color, number of doors, fuel mileage, automobile type, number of
        passengers, make, model, and year, to name just a few.
    </p>
      <p>
        In this case, you would still likely be using some unique value to key yo