Tim Mitchell

Tim Mitchell is a business intelligence consultant, author, and trainer. He has been building data solutions for over 20 years, and is a 13-time recipient of the Microsoft Data Platform MVP award (2010-2022). He is the founder and principal data architect at Tyleris Data Solutions.

Tim has spoken at international and local events including the SQL PASS Summit, SQLBits, SQL Connections, along with dozens of tech fests, code camps, and SQL Saturday events. He is the author of the book The SSIS Catalog: Install, Manage, Secure, and Monitor your Enterprise ETL Infrastructure, coauthor of the book SSIS Design Patterns, and is a contributing author on the charity book project MVP Deep Dives Vol 2.

You can visit his website and blog at TimMitchell.net or follow him on Bluesky at https://bsky.app/profile/tmitch.net.
  • Interests: SQL Server, Data Warehousing, ETL, Data Architecture, Python, Dbt

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Technical Article

SQL Saturday 14 - Pensacola

I’ve just arrived home from a quick trip to Pensacola to speak at SQL Saturday 14 in Pensacola, FL. I’m quite happy with the event; the planning and organization was handled very well, and I believe the event was a big success in the eyes of the...

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2009-06-12

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Blog Post

SQL Saturday Pensacola pics

The SQL Saturday Pensacola pics are up!  Visit the SQL Saturday Facebook group at http://www.facebook.com/home.php#/group.php?gid=58052797867&ref=ts
and tag or leave your comments.

2009-06-08

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Question of the Day

BIT_COUNT II

In SQL Server 2025, I have a table (dbo.UserPermission) that contains this data: 

UserID  UserPermissions
15
23
37
4       NULL
What is returned when I run this code: 
select bit_count(UserPermissions) as PermissionCount
from dbo.UserPermission
where UserID = 4;

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