Session The Anatomy of the MySQL Query Optimizer Michael (Monty) Widenius, MySQL AB Track: MySQL Date: Wednesday, July 09 Time: 5:15pm - 6:00pm Location: Salon B The main developer of the MySQL query planner and optimizer discusses how the system works and is implemented. During the session, discuss issues like how indexes are chosen and used, how table statistics effect the planner's decisions and how to use EXPLAIN to find out more information about the optimizer's decisions.

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