Database Design Theory?

Dan Hanks hanksdc at plug.org
Tue Nov 8 16:57:45 MST 2005


On Tue, 8 Nov 2005, Jonathan Ellis wrote:

> On Tue, 8 Nov 2005 16:38:13 -0700 (MST), "Dan Hanks" <hanksdc at plug.org>
> said:
>> - Avoid nulls as much as possible
>
> Good advice for most peoples' definition of "as much as possible," but
> since you mentioned dbdebunk, it's worth pointing out that Fabian Pascal
> takes this far beyond sane limits.

I'll clarify :-)

Use nulls only if you understand the implications of doing so, specifically,
the implications of moving into a world of 3-valued logic instead of 2-valued
logic.

-- Dan




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