Re: Relational vs network vs hierarchic databases

"Neo" <neo55592_at_hotmail.com> wrote in message news:4b45d3ad.0411091211.23910453_at_posting.google.com...
> > > What are the advantages with network and hierarchic databases vs [RM]?
> >
> > It isn't until one begins to think in terms of sets of tuples that the
power
> > and simplicity of relational operators like restrict, project, and join
> > start to really pay off.
>
> While RM dbs do have an advantage in many common applications
> presently, to those who contend that RM covers all scopes better than
> the remaining, please show how to represent the below things without
> NULLs and redundancy;

Why should I?

What does this have to do with the OPs question? Received on Tue Nov 09 2004 - 14:20:30 CST