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Tim Mitchell

Tim Mitchell is a business intelligence consultant, author, trainer, and SQL Server MVP with over a decade of data management experience. He is a partner with Linchpin People and is the principal of 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 coauthor of the book SSIS Design Patterns, and is a contributing author on MVP Deep Dives 2.

You can visit his website and blog at TimMitchell.net or follow him on Twitter at twitter.com/Tim_Mitchell.

On Being Disruptive

Being disruptive is a powerful way to conduct business. Steve Jobs and Bill Gates insisted that computers belonged not just in business offices but in the homes of regular joes, and built businesses around a need that had not fully manifested itself. Twitter disrupted the social media space by bringing… Read more

0 comments, 132 reads

Posted in Tim Mitchell on 5 December 2016

A Better Way to Execute SSIS Packages with T-SQL

There are several ways to execute SSIS packages that have been deployed to the SSIS catalog, and my favorite way of performing this task is to execute SSIS packages with T-SQL. There are a couple of challenges that come up when executing catalog-deployed packages using the default settings in T-SQL,… Read more

3 comments, 2,494 reads

Posted in Tim Mitchell on 28 November 2016

Video: Introduction to SQL Server Change Tracking

SQL Server change tracking is a lightweight and synchronous mechanism for detecting inserts, updates, and deletes in tracked tables. For those of us who spend a lot of time in ETL, change tracking is a useful tool for defining what data has changed to make the extract-transform-load process more efficient.… Read more

0 comments, 1,075 reads

Posted in Tim Mitchell on 18 November 2016

SQL Server 2016 Service Pack 1 Changes Everything

Earlier today, Microsoft announced the release of Service Pack 1 (SP1) for SQL Server 2016. Pay close attention to this announcement, because this is not a typical update. Service Pack 1 unlocks most all of the programmability features found in Enterprise Edition, making them available in lower-cost (and even free)… Read more

0 comments, 185 reads

Posted in Tim Mitchell on 16 November 2016

SSIS Catalog Project Versioning

If you’ve spent much time working with the SSIS catalog, you likely already know that the catalog is where all assets related to package storage, configuration, and execution are stored: all of the projects and their associated packages, configuration environments, and execution logs are all stored in the SSISDB database… Read more

1 comments, 1,160 reads

Posted in Tim Mitchell on 11 November 2016

ETL Atomicity

I still remember the first real ETL process I developed. I was working for a hospital at the time, going through a major system implementation as we replaced a 17-year-old UNIX-based system with a more modern healthcare application suite with a SQL Server back end. I was tasked with building,… Read more

3 comments, 426 reads

Posted in Tim Mitchell on 4 November 2016

Webinar on Change Tracking for Data Warehouse Loads

Join me online on Tuesday, November 15th at 1:00PM as I host a webinar entitled “Managing Data Warehouse Incremental Loads with SQL Server Change Tracking”. In this webinar, I’ll discuss the essentials of incremental loads, and will introduce SQL Server change tracking. I’ll talk about how change tracking can be… Read more

0 comments, 180 reads

Posted in Tim Mitchell on 4 November 2016

PASS Summit 2016 Recap

It has been a fantastic week here in Seattle at the annual PASS Summit. I’ve spent the last five days hanging out with 4,000 or so of my closest friends while teaching and learning more about SQL Server and data management. Although my schedule kept me busy – I delivered… Read more

0 comments, 215 reads

Posted in Tim Mitchell on 28 October 2016

PASS Summit 2016: Day 2 Keynote

This week I’m attending the SQL PASS Summit in Seattle. I’ll be live blogging each of the keynote presentations on Wednesday and Thursday morning. This post will be updated throughout the duration of the Day 2 keynote. It’s the second full day of the PASS Summit and we’re back for… Read more

0 comments, 168 reads

Posted in Tim Mitchell on 27 October 2016

PASS Summit 2016: Day 1 Keynote

This week I’m attending the SQL PASS Summit in Seattle. I’ll be live blogging each of the keynote presentations on Wednesday and Thursday morning. This post will be updated throughout the duration of the Day 1 keynote. Introduction We’re off and running! PASS president Adam Jorgensen starts us off with… Read more

0 comments, 134 reads

Posted in Tim Mitchell on 26 October 2016

Studying Failures

Over the weekend, I went to the local theater to watch Sully, the movie about the US Airways pilot who successfully landed his A320 jet on an icy river after losing both engines shortly after takeoff. I enjoyed the movie for its main story line but also for some of… Read more

2 comments, 1,045 reads

Posted in Tim Mitchell on 26 September 2016

Speaking at DevConnections 2016

I am excited to share that I will be presenting at the DevConnections conference in Las Vegas in October of this year. This is my fourth (if I remember correctly) time to have spoken at DevConnections, and the first time I will have delivered a full-day workshop there. This year… Read more

0 comments, 200 reads

Posted in Tim Mitchell on 22 July 2016

Get Your Email Out of my ETL

Question from someone in one my recent classes: “What tool do you use to send email from ETL processes?” My response: “I don’t.” The tl;dr version of this post is I let my extract-transform-load processes do just ETL, and leave notifications to the scheduling system where they belong. Get Your… Read more

3 comments, 481 reads

Posted in Tim Mitchell on 14 July 2016

ETL Modularity

Imagine for a moment that you’ve built a software thing. In fact, we’ll call it Thing. You put a lot of work into Thing, and it does exactly what you wanted it to. You put Thing into play as part of a larger solution and, after a couple of revisions,… Read more

2 comments, 1,824 reads

Posted in Tim Mitchell on 11 July 2016

Podcast Interview: Is the On-Premises Data Warehouse Dead?

Recently I’ve been talking a lot with clients and others about the involvement of cloud architecture in a data warehouse design. In fact, this topic was the focus of my most recent Data Geek newsletter publication. A few weeks ago, I had the pleasure of being interviewed by my friend… Read more

5 comments, 894 reads

Posted in Tim Mitchell on 27 June 2016

What if Your Employer Won’t Support Your Career?

I’ve had a lot of luck in my career, especially as it pertains to my work environment. Although I can’t say every technical job I’ve had was all unicorns and bacon, I’ve been very fortunate to have been treated fairly and professionally through most of my employment history. Not only… Read more

2 comments, 1,815 reads

Posted in Tim Mitchell on 23 June 2016

Join Me at PASS Summit 2016

It seems like it was just yesterday that we all said goodbye in Seattle at last year’s PASS Summit, but the calendar on the wall says that the next event is a mere four months away. This means that it’s that time of year again: the schedule of sessions has… Read more

0 comments, 173 reads

Posted in Tim Mitchell on 22 June 2016

Bad Data Can Kill

Bad data can kill. Literally. I’m not talking about the impact of bad data on the bottom line of business, where estimates of total losses are usually gauged in the hundreds of billions of dollars per year. Nor am I talking about the inconvenience we all face when presented with… Read more

2 comments, 1,730 reads

Posted in Tim Mitchell on 20 May 2016

ETL Data Lineage

Before I began my technical career over a decade and a half ago, I spent several years working in law enforcement. In that field, one of the things one must learn quickly is the concept of the chain of custody of evidence. There were numerous procedures we had to follow… Read more

6 comments, 935 reads

Posted in Tim Mitchell on 6 May 2016

SSIS Training Classes for Summer 2016

If you are looking for affordable, high-quality training on SQL Server Integration Services, you may be interested in one of the two full-day workshops I have scheduled for August of this year. I’ll be taking my popular course Building Better SSIS Packages on the road to Baton Rouge, Louisiana and… Read more

2 comments, 337 reads

Posted in Tim Mitchell on 5 May 2016

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