Depending on your OS, there's a good possibility that the OS is caching 
HD data.  So instead of mysql reading directly from disk, it's getting 
it from the memory cache.  Depending on how heavily your server is used, 
wait 10 or 15 mins (to let the memory cache clear out) and try it again.

Mike...

Ando Saabas wrote:

>Sorry that this is more of a mysql question, but since most php
>programmers use it a lot, i though i might find the answer without
>subscribing to mysql list, here goes:
>When i do a query from a big table using indexes,it takes for example 5
>seconds. Now if i, after
>some time repeat the query, the query takes about 0.5 secs.
>So far i thought it was because of caching, but now i read mysql (v3.23)
>doesnt
>support query cache. So this really gets me wondering, where does the
>speed increase come from?
>
>
>
>  
>





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