On Mon, 2004-04-19 at 08:35, Klint Gore wrote:
> In the docs it says "Plan-reading is an art that deserves an extensive
> tutorial, which this is not".  Is there one?  I've gone beyond simple
> queries (which are performing well) to the more difficult queries (which
> aren't).  

Red Hat has a tool called "Visual explain" that shows explain output
graphically:
 
http://sources.redhat.com/rhdb/

It might help understand what's going on.


Bye, Chris.



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