Re: Info on explain output

Have you looked at the internals PDF at the bottom of the developers
lounge web page?

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Adam Witney wrote:
> Hi,
>
> I am trying to optimise a complex query adding explicit joins and creating
> indices. I am going through the EXPLAIN output (~70 lines) but am fairly new
> at reading these.
>
> Are there any good rules of thumb of things one should be looking out for in
> EXPLAIN output? ie <blah> means that an index would be good here etc
>
> I have read through the docs for EXPLAIN, but I was wondering if there were
> any more detailed descriptions or docs on the subject.
>
> Thanks for any help
>
> adam
>
>
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