> > [In the] general methods for determining a thing's class(es),
> > If I substitute 'person' for 'john' both return 0 records.
>
> In the challenge, there is no need to extract the class of 'person' from
> the database. The challenge had some classes (church, force, person, dog
> and computer, if I remember well). None of these had a superclass, other
> that the universal superclass "thing". Since everything is a thing, I did
> not store it.
The original challenge asks to "produce ... Report ... allow the user
to create any hierarchy". The class hierarchy is a subset of any
hierarchy. The intent was to create a report on any hierarchy,
including class hierarchy.
Received on Sat Jun 05 2004 - 14:42:35 CDT
