Re: 3vl 2vl and NULL

From: Jon Heggland <>
Date: Thu, 16 Feb 2006 08:30:56 +0100
Message-ID: <>

In article <>, says...
> Is this intrinsic in the RM or part of the lock-down approach? If you
> were to add in ordered lists as a viable type (which I think some SQL
> tools might do?), thereby ignoring the Information Principle and no
> longer using RM, would you lose the feature you want?

How can you possibly claim that list types ignores the Information Principle and violates the RM? Types are orthogonal to the RM.

Received on Thu Feb 16 2006 - 08:30:56 CET

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