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Author Archives: Istvan Podor

Keep your MySQL backend online no matter what + TGIF Contest!

On Oct. 25th I will be presenting my conference session “Keep your MySQL backend online no matter what” at the Percona Live London Conference. Considering their is a variety of highly knowledgeable MySQL experts speaking …

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Upcoming webinar on Data Recovery for MySQL

I’ll be giving a 40-50 minute long webinar on 26th of April on data recovery for MySQL. Almost every long serving DBA has been faced with the task of recovering data from a database, whether …

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When the subselect runs faster

A few weeks ago, we had a query optimization request from one of our customer. The query was very simple like:

This column in the table is looks like this:

The table have …

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