The document discusses various MySQL optimizations including indexes, ordering, and server tuning. It covers index types like clustered and non-clustered in InnoDB and how MyISAM tables are ordered. Methods for handling ORDER BY queries include using an index, file sorting, or joining to a temporary table. The document also lists various server variables that can be tuned for performance and tools for analyzing MySQL usage and queries.

1. MySQL Optimizations Title

5. InnoDB

9. OrderBy – How to

10. OrderBy – How to

11. OrderBy – How to