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

Using Project Connections in SSIS

In SQL Server Integration Services, connection managers are used as gateways for most any external read and write operation. Connection managers are type- and format-specific, and in the case...

2019-09-24 (first published: )

376 reads

Blog Post

SSIS Lookup Cache Modes

In SQL Server Integration Services, the lookup component is one of the most frequently used tools for data validation and completion. The lookup component is provided as a means...

2019-09-05

276 reads

Blog Post

Using Raw Files in SSIS

SQL Server Integration Services is well designed for retrieving and processing data on the fly, directly in the data flow pipeline. However, there are circumstances that occasionally require the...

2019-09-03

38 reads

Blog Post

SSIS Precedence Constraints

In the control flow for SQL Server Integration Services, the “lines” we commonly use to connect tasks to each other are actually smart controls. These SSIS precedence constraints allow...

2019-09-02

25 reads

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

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

Methodology for dealing with bad data in production

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

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Forums

VACATION!

By Grant Fritchey

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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

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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