On Wed, 29 Sep 2004, Thomas F.O'Connell wrote:

> Note: EXTRACT is not a true function. SQL defines it as an expression 
> that happens to look similar to a function call.
> 
> Also, are there other expressions that fall into this category? I don't 
> know the spec well enough to know.

At least COALESCE and NULLIF are not functions.

Kris Jurka

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