Re: Fabian Pascal and RDBMS deficiencies in fully

From: Florian Weimer <fw(at)deneb(dot)enyo(dot)de>
To: roy(at)silicontao(dot)com
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: Fabian Pascal and RDBMS deficiencies in fully
Date: 2006-06-12 17:41:46
Message-ID: 87k67mb7ad.fsf@mid.deneb.enyo.de
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* Roy Souther:

> In what way could a database like PostgreSQL not be "faithful to
> relational theory"? Does he give any explanation as to what that means?

My guess: In SQL (and in PostgreSQL as a result), relations aren't
sets, aren't first-class, and the underlying logic is not Boolean.

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