Re: bug or feature, <> 'blah' does NOT work with null records

[Pete Harlan]

On Thu, Oct 28, 2004 at 11:50:12AM +0200, Jigal van Hemert wrote:
...
> Fortunately there is function COALESCE() that will return the first argument
> that is not NULL. In case of NULL values you can use a default value for an
> expression: COALESCE( `col`*2, 14) will produce 14 if `col` is NULL.

FWIW, IFNULL() does the same thing, with a clearer (to me) name, e.g.,
IFNULL(sum(qty), 0).

--Pete