left join where item in right table is null

>>> "Chris" <[EMAIL PROTECTED]> 10/3/2007 10:32:01 PM >>>
Aleksandar Vojnovic wrote:
> I would also suggest to limit yourself to things you actually need not
> to select the whole table.

In this case you can't because you're looking for records that exist in
one table that don't exist in another.

Apart from looking at the whole table in each case how else would you do

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