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

Blog Post

The Idea Book

How many times have you said to yourself, “Someone should build an application that does [x]…”, or “Wouldn’t it be...

2015-03-25

774 reads

Blog Post

On Failure: Getting Up

In my continuing series entitled “On Failure”, I want to talk about skiing.
I’m not a great skier. It would probably...

2015-02-16 (first published: )

5,951 reads

All authors

Blogs

Who’s the Winningest Coach (with AI Help)

By

I was listening to the radio the other day and the hosts were discussing...

Learning from Mistakes: T-SQL Tuesday #194

By

We’re a week late, once again my fault. I was still coming out of...

Stupid Things I Did With AI: ASCII Art

By

I ran across this article recently (https://www.gatesnotes.com/meet-bill/source-code/reader/microsoft-original-source-code) and it has a great opening piece...

Read the latest Blogs

Forums

Basic Always On Groups Randomly Stop Synchronizing

By Leo.Miller

In one of my environments I have 3 pairs of Always On SQL 2022...

Learning From Breakage

By Steve Jones - SSC Editor

Comments posted to this topic are about the item Learning From Breakage

Python in Action to Auto-Generate an Optimized PostgreSQL Index Strategy

By sabyda

Comments posted to this topic are about the item Python in Action to Auto-Generate...

Visit the forum

Question of the Day

Adding and Dropping Columns I

I have this table in my SQL Server 2022 database: 

CREATE TABLE [dbo].[CityList]
(
[CityNameID] [int] NOT NULL IDENTITY(1, 1),
[CityName] [varchar] (30) COLLATE SQL_Latin1_General_CP1_CI_AS NULL
) ON [PRIMARY]
GO
I decide to add two new columns for the StateProvince and Country. What code should I use?

See possible answers