Andy Yun

Andy Yun is a SentryOne Principal Solutions Engineer and a Microsoft MVP. He has been working with SQL Server for over 15 years as both a Database Developer and Administrator. Leveraging knowledge of SQL Server Internals and extensive experience in highly transactional environments, he strives to make T-SQL leaner and meaner. Andy is extremely passionate about passing knowledge onto others, regularly speaking at User Groups, SQL Saturdays, and PASS Summit. Andy is a co-founder of the Chicago SQL Association, co-Chapter Leader of the Chicago Suburban User Group, and part of the Chicago SQL Saturday Organizing Committee.

Articles by Andy Yun

In this T-SQL Tuesday blog post, Andy Yun shares a fun analogy to help you understand the scaling of T-SQL queries.
October 13, 2020 | Andy Yun | T-SQL Tuesday 0
Andy Yun shares the virtual events he is speaking at in October 2020.
September 29, 2020 | Andy Yun | Events 0
Find out which events Andy Yun is participating in this month.
August 11, 2020 | Andy Yun | Events 0
Andy Yun provides an overview of the virtual events he is speaking at in July 2020.
July 15, 2020 | Andy Yun | Events 0
Andy Yun shares his greatest fear when it comes to presenting and discusses a time he had to face this fear head-on.
July 14, 2020 | Andy Yun | Community, T-SQL Tuesday 0
Andy Yun shares the virtual events he is speaking at in June 2020.
June 9, 2020 | Andy Yun | Events 0
Andy Yun shares details about the virtual conference he is speaking at in May 2020.
May 4, 2020 | Andy Yun | Events 0
Find out where Andy Yun will be presenting at a live event in February 2020!
February 7, 2020 | Andy Yun | SQLSaturday, Events, PASS 0
In this T-SQL Tuesday post, Andy Yun reassures IT professionals that the Impostor Syndrome is universal and provides two core values to help combat it.
January 14, 2020 | Andy Yun | T-SQL Tuesday 1
Andy Yun highlights 2020 conferences, SQL Saturdays, and User Groups that he's fortunate enough to attend and present at.
January 9, 2020 | Andy Yun | SQLSaturday, Speaking, Events, PASS 0
Find out where Andy Yun will be speaking during the month of June, 2018!
May 25, 2018 | Andy Yun | Community 0
Andy Yun talks about his SQLSaturday Madison session on presenting your own first presentation, and invites you to attend a webinar on the topic on April 18th.
April 9, 2018 | Andy Yun | Community, Career 0
Two of our favorite Andys are gearing up for this weekend's #SQLSatMadison. Here Andy Yun talks about the event, the sessions that he will be presenting, and also talks about Andy Mallon's session.
April 4, 2018 | Andy Yun | SQLSaturday, T-SQL, PASS 0
Don't take SQL Server Missing Index recommendations at face value. They have numerous limitations. In this blog post, Andy Yun explores one of these: Index Key Order.
February 13, 2018 | Andy Yun | Best Practices, SQL Server, T-SQL Tuesday 0
Do you know if the nonclustered indexes in your databases are being used effectively? You may think they are, but do you really know?
February 9, 2018 | Andy Yun | SQLBits, Fragmentation, SentryOne 5

Top Categories

See all
1 2

Get the best SQL query analysis and optimization tool – free!

Plan-Explorer-logo-RGB-800px
  • Index Analysis Sandbox
  • Statistics Analysis with Histogram
  • Management Studio Add-in
  • Plan Diagram
  • Deadlocks
  • History and Comments
Free Download Learn More