Sorry, just a question, maybe I should ask somewhere else.

Is there any difference (like cost, efficiency, execution paths...) between
this sql:

select b
from a
where b is not null

and this sql:

select b
from a
where not b is null


Just curious.

Thanks for your answer

Bosco



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Tue, 16 Apr 2002 13:34:10 +0000
"Bosco Ng" <boscoklng@hotmail.com>
Just a Question