Jonathan Kehayias

Principal Consultant,

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Jonathan Kehayias is a Microsoft Certified Master of SQL Server 2008 and a SQL Server MVP. A senior consultant at, he started with SQL Server in 2004 as a database developer and report writer. After spending 2 1/2 years working in T-SQL, in late 2006, he transitioned to the role of DBA. In early 2011, he joined full time, focusing on his primary passion of performance tuning. He frequently rewrites queries for better performance.


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