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

Blogs

Programmatically Retrieving MLV Lineage and Refresh Times

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Materialized lake views (MLVs) in Microsoft Fabric are an effective way to implement medallion...

SWAG Saves the Day

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PASS Summit East is in one week. I was on the road last week...

Upgrading SQL Server Containers on the Laptop

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I don’t have SQL Server installed on my laptop. In an effort to keep...

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Forums

Having Issue deploying a report to an on prem server from PowerBI desktop

By daniel.manke

Using PowerBI Version1.25.9508.3237(January 2026). Installed Microsoft Power BI Desktop (Optimized for Power BI Report...

SQL 2019 instance with AG, across 2 Windows 2016 OS servers - OSin-place upgrade

By millardus

Hi all Can I get some perspective from the community please on performing in-place...

How Long is a Long I/O?

By Steve Jones - SSC Editor

Comments posted to this topic are about the item How Long is a Long...

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Question of the Day

How Long is a Long I/O?

In SQL Server 2025, a long I/O is recorded in the error log with message 833. How long much an I/O request be outstanding before this message is written to the log?

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