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After moving database queries are very slow

This is a discussion on After moving database queries are very slow within the MySQL Database forums, part of the Database Forums category; Jerry Stuckle wrote: > Ralph, > > Listen to the others here. Don't calculate the earth_distance_miles for > every ...


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Old 12-04-2006
Ralph
 
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Default Re: After moving database queries are very slow

Jerry Stuckle wrote:

> Ralph,
>
> Listen to the others here. Don't calculate the earth_distance_miles for
> every item in your database. It is not only causing a table scan, it is
> calculating this for every row in your table. That's a huge amount of
> unnecessary overhead. Even 2 seconds is too long.
>


Thank you I rewrote the query and now it's fine :)

Thank you again

--

Ralph
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