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

24 reads

Blogs

Learn about Modern Microsoft Apps in San Diego

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How To Deploy Fabric SQL and Azure SQL Databases with Azure DevOps

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A New Word: Attriage

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Forums

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Comments posted to this topic are about the item SSRS Reminded Me of the...

Getting results from a Procedure to join to a query

By bswhipp

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

Upgrade 2016 Standard to 2022 Express

By pdanes

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;

See possible answers