thanks Perrin. The wikipedia article covers it well.

On 6/8/07, Perrin Harkins <[EMAIL PROTECTED]> wrote:
On 6/8/07, Daniel McBrearty <[EMAIL PROTECTED]> wrote:
> Comments? horrendous hackery? laziness? a landmine? ok in some cases?

It's pretty well covered by Wikipedia here:
http://en.wikipedia.org/wiki/Entity-Attribute-Value_model

I sometimes use this in places where I have to let end users add
attributes to objects, but the poor performance and lack of integrity
constraints make it a poor choice for anything else in my opinion.

- Perrin

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