Re: Clean Object Class Design -- What is it?

On Tue, 24 Jul 2001, Jim Melton wrote:

>
> "akmal _at_ city" <akmal_at_soi.city.ac.uk.nospam> wrote in message
> news:Pine.GSO.4.05.10107240714400.21621-100000_at_altair.soi.city.ac.uk...
> > On Mon, 23 Jul 2001, Jim Melton wrote:
> >
> > Jim,
> >
> > [snip]
> >
> > > > > False 3: Object databases do not have performance advantages.
> > > >
> > > > Again, you have not explained why my statement is false. I have
> > > > repeatedly explained why it is true:
> > > >
> > > > The relational model determines only how the DBMS represents data to
> > > > the user and not how the DBMS stores the data. Since the DBMS can
> > > > store the data identically to a non-relation ODBMS, it can achieve
> > > > equivalent performance.
> > >
> > > Your statement is false because there is no commercially available
 database
> > > today that can achieve the real-world performance of (most, many, all?)
> > > object databases.
 

> > :-o
> >
> > For what kind of applications? (most, many, all?)
> >
> > <akmal/>
>
> Akmal,
>
> There is always a danger when a practitioner like me getting in the midst of
> a theoretical discussion like this that someone (like you :-) will ask for
> some documentation. Alas, I don't have any.
>
> And I will concede Lee's point that my statement is unjustly broad.
>
> However, for some non-empty set of applications (one might look at Telecom
> and other "traditional" markets for object databases), the performance of
> the object database is better than relational ones. Unfortunately, I can't
> offer much about my particular applications other to say that it is a data
> transformation/correlation process and empirically object databases
> outperform relational ones.
>
>
>
>
>

Jim,

Point taken. Personal experience can be very useful and I appreciate that you may have considerable first-hand experience. Opinions are also valuable and can lead to useful discussion too.

Thanks.

<akmal/>

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