Re: NULLs
From: Hugo Kornelis <hugo_at_perFact.REMOVETHIS.info.INVALID>
Date: Sat, 29 Dec 2007 00:00:14 +0100
Message-ID: <avvan3tk85dq0uctlf2s9472uilvu0d11v_at_4ax.com>
Date: Sat, 29 Dec 2007 00:00:14 +0100
Message-ID: <avvan3tk85dq0uctlf2s9472uilvu0d11v_at_4ax.com>
On Thu, 27 Dec 2007 18:51:59 -0800 (PST), Marshall wrote:
>On Dec 27, 3:31 pm, Hugo Kornelis
><h..._at_perFact.REMOVETHIS.info.INVALID> wrote:
>> On Wed, 26 Dec 2007 23:17:52 -0400, Bob Badour wrote:
>>
>> Attempting to store both the age and the reason why an age is unknown in
>> a single column violates first normal form.
>
>Attempting to store both the age and whether the age is
>known in a single column etc. etc.
Hi Marshall,
See my reply to JOG's message.
Best, Hugo Received on Sat Dec 29 2007 - 00:00:14 CET