Yes I noticed that...This guy has dumped current implementations of SQL
at least 20 years ago...don't be too harsh on him..
paul c wrote:
> David Portas wrote:
> > Cimode wrote:
> >> ...
> >>
> >> http://www.armadillo.fr/english/whitepapers/WHITEPAPER_2004.htm
> >
> > The paper is rather confusing to me. It claims the index structure is
> > the novel feature of Atlas but the author doesn't explain what the
> > index structure is or how it differs from other indexes. The only clue
> > is the diagram of "Normal" vs "Set" indexes but those terms and the
> > diagrams are strange to me and they explain nothing. How does this
> > system compare to bitmap indexes? Hashing? B-trees? Clustering? etc.
> > ...
>
> The first thing I noticed is the mistaken claim that various dbms's
> aren't capable of using more than one index in a single query. Maybe
> his references are twenty years old, I dunno.
>
> p
Received on Thu Jun 08 2006 - 04:21:03 CDT
