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

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Blog Post

SSIS Parameters

SSIS parameters help to ease the process of passing runtime values to SSIS packages. For values that can change over time, using parameters in SSIS is an ideal means...

2020-07-14 (first published: )

493 reads

Blog Post

Secure Your Data Prep Area

I’ve been building ETL processes for many years, and I’ve learned two universal truths: data preparation is messy, and you must always secure your data prep area. A data...

2020-06-18

24 reads

Blog Post

Lessons from Iowa’s Caucus Debacle

Earlier this week, the state of Iowa held its caucuses to choose each political party’s nominee for November’s presidential election. Being the first state in each election cycle to...

2020-02-11 (first published: )

795 reads

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Blogs

DiskANN Experiment — Exploring Entry Points and Graph Neighborhoods

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Introduction I was experimenting with vector search in SQL Server 2025 using approximately 3.8...

T-SQL Tuesday #203: Risk and Reward

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This is timely, as I’m currently on a boat in the Adriatic taking a...

dataMinds Connect 2026 – Slides & Scripts

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You can find the slides and SQL scripts for my session “Spice up your...

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Communication, For Incidents and Life

By Pat Wright

Comments posted to this topic are about the item Communication, For Incidents and Life

PostgreSQL psql Meta Commands: Tables

By Grant Fritchey

Comments posted to this topic are about the item PostgreSQL psql Meta Commands: Tables

Building a Support Ticket Triage Report with IIF() and CHOOSE() in SQL Server

By john.martin

Comments posted to this topic are about the item Building a Support Ticket Triage...

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Question of the Day

PostgreSQL psql Meta Commands: Tables

Which of the following psql meta commands (also called backslash or slash commands) will provide information about tables within a database?

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