Re: Mixing OO and DB

"Marshall" <marshall.spight_at_gmail.com> wrote in message news:1f7dba2f-5861-47b4-9cdd-a13f9b1a354c_at_s37g2000prg.googlegroups.com...
> On Mar 8, 4:53 am, rp..._at_pcwin518.campus.tue.nl (rpost) wrote:
> > David Cressey wrote:
> > >Before I move on, I have to give an opinion based on my own
data-centric
> > >world view. If you don't understand the data, then you don't know what
> > >you're talking about. In short, I completely fail to grasp how one
can
> > >understand a system in terms of "behavior" without understanding the
data
> > >that the behavior affects. This is something that it's going to take
me
> > >years of lurking in comp.objects to grasp.
> >
> > I don't think so. Can we understand the differences between sets,
> > multisets, ordered lists, queues and stacks just by
> > "understanding the data"?
>
> No, you're not following what David is saying, I don't believe.
> Queues/stacks etc. are not objects in the domain of discourse.
> They are data structures; they are part of the toolset. If this
> was what was at issue, then one could be said to understand
> any specific SQL database if one understood the relational
> algebra.
>
> "Understanding the data" means knowing the semantics of
> the data in the domain of discourse.
>

That is what I meant. Received on Sun Mar 09 2008 - 05:08:17 CET