Re: Querying distinct values from a large table

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Alvaro,

On 1/30/07 9:04 AM, "Alvaro Herrera" <alvherre@xxxxxxxxxxxxxxxxx> wrote:

>> (Incidentally I'm not sure where 2-5x comes from. It's entirely dependant on
>> your data distribution. It's not hard to come up with distributions where
>> it's
>> 1000x as fast and others where there's no speed difference.)
> 
> So the figure is really "1-1000x"?  I bet this one is more impressive in
> PHB terms.

You got me - I'll bite - what's PHB?

- Luke




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