Re: A better SQL implementation?

From: paul c <>
Date: Wed, 07 Jun 2006 21:01:15 GMT
Message-ID: <v8Hhg.253654$7a.51847_at_pd7tw1no>

David Portas wrote:
> Cimode wrote:

>> ...

> 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 Wed Jun 07 2006 - 23:01:15 CEST

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