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

All authors

Technical Article

Social Networking in the SQL Server Community

Like many SQL Server (and other technology) people, I utilize several social networking vehicles to stay in touch with others in the SQL community. Some of those who don’t use Facebook and Twitter (among others) have expressed skepticism of the real value of social networking. Does it work? Does it provide any value beyond entertainment? Can it actually help your career? I believe the answer to all of these queries is Yes.

★ ★ ★ ★ ★ ★ ★ ★ ★ ★

You rated this post out of 5. Change rating

2009-07-24

1,698 reads

Technical Article

Transaction Rollbacks with Identity Values

Have you ever noticed unexpected gaps in sequences in IDENTITY columns? Even though you’ve got transactions set up for your inserts and a no-deletion policy, you find that there are missing values in what should be an unbroken sequence of numbers. The problem could be partially related to transaction rollbacks.

★ ★ ★ ★ ★ ★ ★ ★ ★ ★

You rated this post out of 5. Change rating

2009-07-09

4,586 reads

All authors

Blogs

Programmatic Tool Calling with the Claude SDK

By

Programmatic Tool Calling with the Claude SDK Every morning somebody on the team runs the...

A New Word: Mauerbauertraurigkeit

By

mauerbauertraurigkeit – n. inexplicable urge to push people away, even close friends whose company...

Methodology for dealing with bad data in production

By

Pinal Dave wrote up his methodology for what to do when you discover bad...

Read the latest Blogs

Forums

VACATION!

By Grant Fritchey

Comments posted to this topic are about the item VACATION!

Why SQL Server Database Attach fails and how to repair it

By Nisarg Upadhyay

Comments posted to this topic are about the item Why SQL Server Database Attach...

Fixing P1 Queries

By Steve Jones - SSC Editor

Comments posted to this topic are about the item Fixing P1 Queries

Visit the forum

Question of the Day

BIT_COUNT() IV

In SQL Server 2025, I run this code: 

select bit_count('A')
What is returned?

See possible answers