Re: Too many rows reported for index in tkprof

A trivial, but important question is whether you
analyzed the index after creating it?

--- "Leandro Guimaraes Faria C. Dutra"
<ldutra@xxxxxxxxxxxxx> wrote:

> 
> Hi all.
> 
>         I'm fazed by a query I've been asked to
> optimize.
> 
>         By creating an index, I've been able to
> lower EXPLAIN's cost
> estimate from nearly 5k to 36.  Problem is, this
> translated in an answer
> time reduced from 2min 30s to 2min 20s -- too small
> a reduction.



                
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