Pavel Stehule <[EMAIL PROTECTED]> schrieb:

> > ... and I do something like "select id where animal <> 'Cat';"  then
> > shouldn't 1, 3, 4 and 5 be picked?  As it is I only get 1, 4 and 5.
> > NULL is not 'Cat'.  I realize that if I were testing for NULL itself I

NULL is nothing, you can't compare something with nothing. As Pavel
suggested, 


As Pavel suggested:

> In this case use operator IS DISTINCT FROM
> 
> select id where animal IS DISTINCT FROM 'Cat';


Andreas
-- 
Really, I'm not out to destroy Microsoft. That will just be a completely
unintentional side effect.                              (Linus Torvalds)
"If I was god, I would recompile penguin with --enable-fly."    (unknow)
Kaufbach, Saxony, Germany, Europe.              N 51.05082°, E 13.56889°

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