Denis Reznik

Denis works as a Data Architect at Intapp, Inc. He has a wide experience in the development of the applications, databases and other solutions based on data. Denis is a Microsoft Data Platform MVP since 2010 and PASS Regional Mentor for Central and Eastern Europe since 2016. He loves to speak about SQL Server and Data at conferences and user-group meetings and actively participates in the development of SQL Community.

Sessions for 2026

Deadlocks in SQL Server: Understanding and Troubleshooting

Deadlocks in SQL Server: Locking basics, analysis of real-world scenarios, root-cause diagnosis, and effective troubleshooting strategies.

True SQL Server Detective

Dive into real SQL Server detective stories: solve mysterious performance issues, blocking chains, and deadlocks using DMVs, Extended Events, and more. True cases, practical solutions, zero spoilers!

Previous Sessions

What SQL Server database can tell us about application issues?

This session will be about database load patterns that show the application design issues and solutions to those issues.

Hidden Gems of SQL Server 2019

SQL Server 2019 is full of new features. Some of them are very interesting and useful, but unfortunately not well-known. So far.

Query Execution: Expectation-Reality

Sometimes this happens. What you expect not always what you received. In this session, we will look at a bunch of such situations.