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

Blog Post

PASS Data Summit 2025 Recap

Last week, I attended the annual PASS Data Summit in Seattle. This was the fourth year of the event since Red Gate took over stewardship of PASS after that...

2025-12-05 (first published: )

22 reads

Blog Post

Using Python Code in SSIS

SQL Server Integration Services (SSIS) is a mature, proven tool for ETL orchestration and data movement. In recent years, Python has exploded in popularity as a data movement and...

2025-09-01 (first published: )

370 reads

Blog Post

My Office Setup

At the PASS Summit a few weeks ago, I had a great chat with some folks about our home office setups. More and more of us are working from...

2022-12-16 (first published: )

289 reads

Blog Post

Returning to PASS Summit

In just a couple of weeks, the PASS Summit will return to Seattle, Washington. This one will be extra special, since it’s going to be the first in-person Summit...

2022-10-31

12 reads

Blog Post

Creating a Generic SSRS Report

Creating useful reports is part art and part science. On one end of the spectrum, you have visually appealing and highly customized reports and dashboards that are truly works...

2022-04-13 (first published: )

444 reads

Blogs

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Forums

SSIS with VS2022 64/32 issue with Excel files

By mario17

Hi all, I'm trying to do classic scenario for loading multiple Excel files into...

Case part is sloooooow

By krypto69

Hi So the case statement is slowing this down - but for the life...

Why the following cmds in sequence do not work

By hoa.nguyen 64423

I need to delete rows from both the temporal main and history tables. The...

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Question of the Day

The String Distance I

In SQL Server 2025, what is returned by this code:

SELECT EDIT_DISTANCE('tim', 'tom')
Assume preview features are enabled.

See possible answers