Am 25.09.2010 01:47, schrieb Kristoffer Danielsson:

[...]

>
> Because, given a certain algorithm, generating statistics will become a lot 
> easier if each value combination is represented in the returned row set.
>

really? NULL means there are no values present or there are unknown 
values - statistics with NULL should be without consequences

if you think you should calculate instead of NULL with 0 (the number) it 
still isn't correct (try it with an average, ie sales figures: you 
assume that NULL = 0 but that assumption is a mistake)


[...]

Oliver
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