Advanced
http://www.percona.com/resources/mysq...
Tuning #MySQL queries and indexes can significantly increase the performance of your application and decrease response times. In this webinar, #Percona Principal Consultant Alexander Rubin will discuss advanced techniques for optimizing MySQL queries.
Topics include:
1. GROUP BY and ORDER BY optimization
2. MySQL temporary tables and filesort
3. Using covered indexes to optimize your queries
4. Loose and tight index scans in MySQL
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