Re: Relational vs network vs hierarchic databases

> > How would one represent the following without redundancy or NULLs?
> >
> > john like mary.
> > mary like john.
> > (john like mary) because (mary like john).
> > bob hit mary on elbow.
> > john hit bob on shoulder during lunch. // Correction
> > (john hit bob on shoulder during lunch) because (bob hit mary on elbow).
>
> See, the thing is, *representation* per se isn't that big of a problem.

Then please post it using RM observing good practices such as avoiding NULLs and redundancy. Then we can proceed to evalute the other considerations. Received on Tue Nov 09 2004 - 08:01:43 CET