Re: Index Tuning Features

* Andrew Sullivan:

> Just because I'm one of those statistics true believers, what sort of
> information do you think it is possible for the DBA to take into
> consideration, when building a hint, that could not in principle be
> gathered efficiently by a statistics system?

Some statistics are very hard to gather from a sample, e.g. the number
of distinct values in a column.

-- 
Florian Weimer                <fweimer@bfk.de>
BFK edv-consulting GmbH       http://www.bfk.de/
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