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Re: Issues with Sub-selects and performance on Win 2003
Posted by: KimSeong Loh
Date: November 11, 2004 07:11PM

Maybe rewriting your subqueyr with JOIN could help speed up your query, subquery is pretty new in MySQL and the optimisation may not be very good yet.

http://dev.mysql.com/doc/mysql/en/Rewriting_subqueries.html

You should do an EXPLAIN to see how MySQL plan to execute your query and decide what you can do.

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Re: Issues with Sub-selects and performance on Win 2003
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November 11, 2004 07:11PM


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