Insight for Developers

Heikki Tuuri to answer your in depth Innodb questions

Have you ever had a question about Innodb internal design or behavior which is not well covered in MySQL manual ? I surely had.
Now you have a great chance to have them answered !
Heikki Tuuri, Creator of Innodb will answer your Questions about Innodb at MySQL Performance Blog.
Please leave your questions […]

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Using VIEW to reduce number of tables used

Many Open Source software solutions use database per user (or set of tables per user) which starts to cause problems if it is used on massive scale (blog hosting, forum hosting etc), resulting of hundreds of thousands if not millions of tables per server which can become really inefficient.
It is especially inefficient with […]

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Possible optimization for sort_merge and UNION ORDER BY LIMIT

Every so often you need to perform sort results retrieved from MySQL when your WHERE clause goes beyound col=const values which would allow MySQL to still use second portion of the index for the order by. Ranges as well as IN lists make this optimization impossible, not even speaking about index merge […]

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