Benjamin Nevarez

Benjamin Nevarez is a SQL Server MVP and independent consultant based in Los Angeles, California who specializes in SQL Server query tuning and optimization. He is the author of “SQL Server 2014 Query Tuning & Optimization” and “Inside the SQL Server Query Optimizer” and co-author of “SQL Server 2012 Internals”. With more than 20 years of experience in relational databases, Benjamin has also been a speaker at many SQL Server conferences, including the PASS Summit, SQL Server Connections and SQLBits. Benjamin’s blog can be found at and he can also be reached by e-mail at admin at benjaminnevarez dot com and on twitter at @BenjaminNevarez.

This 500 level session will focus on using undocumented statements and trace flags to get insight into how the query optimizer works and show you which operations it performs during query optimization.
This session will show you how parameter sniffing works and in which cases could be a problem. How to diagnose and troubleshoot parameter sniffing problems and their solutions will be discussed as well.
This session will show you how the query optimizer has been updated to work with the new SQL Server 2014 features and to provide better performance to existing ones. Topics include Hekaton, the new cardinality estimator and incremental statistics.

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