On Sun, 2005-08-21 at 17:30 +0200, Martijn Voncken wrote: > maybe i said something stupid here ;), i forgot about parsing the query etc.. > but my point is that it's mosty the number of selects/sub selects that > makes things fast or slow (assuming indexed query's)
Assuming indexed queries, it's the number of rows returned that matters, not the number of selects. A select which uses an indexed column which returns 0 rows is very, very fast. It's practically a no-op. Jason.
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