Re: Query optimizer 8.0.1 (and 8.0)

On Mon, Feb 14, 2005 at 09:55:38AM -0800, Ron Mayer wrote:
> I still suspect that the correct way to do it would not be
> to use the single "correlation", but 2 stats - one for estimating
> how sequential/random accesses would be; and one for estimating
> the number of pages that would be hit.  I think the existing
> correlation does well for the first estimate; but for many data
> sets, poorly for the second type.
Should this be made a TODO? Is there some way we can estimate how much
this would help without actually building it?
-- 
Jim C. Nasby, Database Consultant               decibel@decibel.org 
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