Re: What is an "Extensible Database"

From: Troels Arvin <troels_at_arvin.dk>
Date: Thu, 09 Dec 2004 09:40:49 +0100
Message-ID: <pan.2004.12.09.08.40.49.902903_at_arvin.dk>

On Wed, 08 Dec 2004 13:12:33 -0800, LineVoltageHalogen wrote:

> what an Extensible Database is or theoretically does?

This reminds me:

I've often seen people claiming that Codd's only demand for built-in types in relational databases is the boolean type - and that any other type needed, could simply be added as user defined types. Does someone know where Codd wrote that, i.e. does someone have a reference?

-- 
Greetings from Troels Arvin, Copenhagen, Denmark

Received on Thu Dec 09 2004 - 09:40:49 CET

This message: [ Message body ]
Next message: Hugo Kornelis: "Re: Why do programmers start counting from 0?"
Previous message: Troels Arvin: "Re: Why do programmers start counting from 0?"
In reply to: LineVoltageHalogen: "What is an "Extensible Database""
Next in thread: Jonathan Leffler: "Re: Boolean as only necessary built-in type - was What is an "Extensible Database""
Reply: Jonathan Leffler: "Re: Boolean as only necessary built-in type - was What is an "Extensible Database""

Contemporary messages sorted: [ by date ] [ by thread ] [ by subject ] [ by author ]

Original text of this message