22-25 April 2026 
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.
Denis Reznik's Sessions
What SQL Server database can tell us about application issues?SQLBits 2022
This session will be about database load patterns that show the application design issues and solutions to those issues.
Hidden Gems of SQL Server 2019SQLBits 2020
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-RealitySQLBits 2018
Sometimes this happens. What you expect not always what you received. In this session, we will look at a bunch of such situations.
Deadlocks in SQL Server: Understanding and TroubleshootingSQLBits 2026
Deadlocks in SQL Server: Locking basics, analysis of real-world scenarios, root-cause diagnosis, and effective troubleshooting strategies.
True SQL Server DetectiveSQLBits 2026
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!
Hidden Gems of SQL Server from 2008 to 2022SQLBits 2022
Small features - Huge benefit. This is what this training session all about. What features? Where and how to use them? How they can help us in queries tuning, troubleshooting, and other situations.
SQL Server Performance Tuning NowadaysSQLBits 2022
This full-day training session is all about finding performance bottlenecks, query tuning, and making SQL Server healthier.
Why my query is slow and how to fix thisSQLBits 2022
What is the primary root cause of the query slowness? The answer to this question will lead as to the options to tune it. This session will give a straightforward approach to finding the answer and query optimization based on it.
Query Lifecycle in MS SQL Server and PostgresSQLBits 2022
In this session, we will follow the path of a query from sending the query to the client to getting results back in MS SQL Server and Postgres RDBMS. During that, we will learn a lot of aspects of query execution which will help up to build more performant systems.
What SQL Server database can tell us about application issues?SQLBits 2022
This session will be about database load patterns that show the application design issues and solutions to those issues.
Hidden Gems of SQL Server 2019SQLBits 2020
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-RealitySQLBits 2018
Sometimes this happens. What you expect not always what you received. In this session, we will look at a bunch of such situations.