Search Results for: 5.1 5.0 speed

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 optimization. Lets look […]

MySQL Users Conference – Innodb

It might look like it is too late to write about stuff happened at Users Conference but I’m just starting find bits of time from processing accumulated backlog. The Theme of this Users Conference was surely Storage Engines both looking at number of third party storage engine presented, main marketing message – Storage Engine partnership […]

Presentations

This page is not updated anymore. For new presentations, please check the presentations page on our company website. We love speaking at conferences and other events. Please contact us if you’d like us to present at yours! We can also give internal presentations for your company or group. Sphinx search engine for RDBMS Egypt, December […]