Re: URL domain (too much SODA)
Date: Sat, 21 Jul 2001 18:02:13 GMT
Message-ID: <3af4caef.1780500_at_news.gte.net>
On Sat, 05 May 2001 15:57:07 GMT, "David Cressey" <david_at_dcressey.com>
wrote:
>> The "reference" prohibition is to other entities within the database,
>> by reference (ie, physical or logical address) rather than by value.
>
>A most interesting point. A closely related point, in my mind, is whether
>the primary key of a table is or is not merely a stand-in for the address of
>the row.
Yikes, let's not start that surrogate key discussion again.
For better or worse, classic Date and Codd writings on relational are entirely value-based.
What happens to the theoretical basis for relational databases if one goes away from that, is unclear. It might well be improved if done correctly, but just what constitutes that correctness?
J. Received on Sat Jul 21 2001 - 20:02:13 CEST