
Andy Yun
Andy Yun is a Field Solutions Architect at Pure Storage, and has been a SQL Server data professional for almost 25 years. He focuses on performance tuning, with expertise in T-SQL, storage engine internals, and monitoring. Andy strongly believes in passing knowledge onto others, regularly speaking at conferences and user groups, and mentoring industry colleagues. Andy is a former Microsoft MVP, co-founder of the Chicago SQL Association, former co-leader of the Chicago Suburban User Group and Chicago SQL Saturday Organizing Committee.
Andy Yun's Sessions
Debating Two Viewpoints on Indexing - Development vs OperationsSQLBits 2025
Who manages indexing: Ops or Dev? Join Deb and Andy for a lively debate exploring indexing from both sides. We'll debate perspectives on creation, maintenance, and troubleshooting, to help you bridge the gap in your organization.
Unlock the Power of Analogies to Simplify Complex TopicsSQLBits 2025
Explaining complex concepts to non-experts can be challenging. I love to use analogies to bridge this gap. Join me where I’ll share techniques for crafting impactful analogies to simplify ideas, connect with audiences, and leave a lasting impression.
Can SQL Server 2019 auto-magically fix my bad T-SQL code?SQLBits 2020
Come to this session to see how SQL Server 2019 mitigates two common performance killers: scalar functions and table variables!
Advanced Plan Explorer Usage for Tuning Execution PlansSQLBits 2020
Users of Plan Explorer often only utilize the basic capabilities to tune execution plans. This session will cover more advanced techniques to get the most out of SentryOne's FREE execution plan analysis tool.
Share Your Story: Developing Your First PresentationSQLBits 2019
Take an idea and learn how to develop your first session.
SentryOne Tools for Productivity and PerformanceSQLBits 2019
This quick vendor session demonstrates the spectrum of SentryOne's best-of-breed products for the Microsoft Data Platform, from Task Factory, to Plan Explorer, to DOC xPress, to the SentryOne monitoring platform, and beyond.
Uncovering Duplicate, Redundant, & Missing IndexesSQLBits 2018
Ensure your indexes are achieving their fullest potential!
Performance Pitfalls of Code ReuseSQLBits 2017
Learn how object-oriented T-SQL hurts performance.
Why Your Datatype Choices MatterSQLBits 2017
Learn how poor data type choices can cripple SQL Server.
Can SQL Server 2019 auto-magically fix my bad T-SQL code?SQLBits 2020
Come to this session to see how SQL Server 2019 mitigates two common performance killers: scalar functions and table variables!
Advanced Plan Explorer Usage for Tuning Execution PlansSQLBits 2020
Users of Plan Explorer often only utilize the basic capabilities to tune execution plans. This session will cover more advanced techniques to get the most out of SentryOne's FREE execution plan analysis tool.
Share Your Story: Developing Your First PresentationSQLBits 2019
Take an idea and learn how to develop your first session.
SentryOne Tools for Productivity and PerformanceSQLBits 2019
This quick vendor session demonstrates the spectrum of SentryOne's best-of-breed products for the Microsoft Data Platform, from Task Factory, to Plan Explorer, to DOC xPress, to the SentryOne monitoring platform, and beyond.
Uncovering Duplicate, Redundant, & Missing IndexesSQLBits 2018
Ensure your indexes are achieving their fullest potential!
Performance Pitfalls of Code ReuseSQLBits 2017
Learn how object-oriented T-SQL hurts performance.
Why Your Datatype Choices MatterSQLBits 2017
Learn how poor data type choices can cripple SQL Server.