Re: A better SQL implementation?
From: David Portas <REMOVE_BEFORE_REPLYING_dportas_at_acm.org>
Date: 8 Jun 2006 05:51:14 -0700
Message-ID: <1149771074.687857.70330_at_h76g2000cwa.googlegroups.com>
Date: 8 Jun 2006 05:51:14 -0700
Message-ID: <1149771074.687857.70330_at_h76g2000cwa.googlegroups.com>
Cimode wrote:
> Concerning the following query using the Document data type:
>
> Select * from Document where parag = 'kw1' and parag = 'kw2'
>
> Looking at the paper, you can see that the author declares the
> following according to the query:
>
> "It should be noted that the above select would give zero results for
> any SQL database other than Atlas, since a single column cannot contain
> more than one value. "
>
So this is a multi-valued DBMS not a relational one. The multi-valued features are not fully explained.
-- David PortasReceived on Thu Jun 08 2006 - 14:51:14 CEST