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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Blog Post

A New Identity

Well, perhaps not a whole new identity, just a consolidation of multiple facets of my online persona.  For several years...

2009-08-23

542 reads

Blog Post

SQL Lunch

Baton Rouge SQL Server group leader and recent SQL Saturday host Patrick LeBlanc is putting together a new learning series. ...

2009-08-21

710 reads

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Blogs

Learn about Modern Microsoft Apps in San Diego

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Forums

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I have a need to execute a stored procedure and return the results to...

Upgrade 2016 Standard to 2022 Express

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Title pretty much says it all - can this be done? I've tried several...

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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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