Tim Mitchell is a business intelligence consultant, author, trainer, and Microsoft Data Platform MVP with over thirteen years of data management experience. He is the founder and 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.
Archives: March 2016
It happens far too often: Once an ETL process has been tested and executes successfully, there are no further checks to ensure that the operation actually did what it was supposed to do. Sometimes it takes a day, other times it takes a year, but eventually that call comes from… Read more
If you were to poll data professionals on which tasks they enjoy working on the most, ETL logging would probably not make the list. However, it is essential to the success of any ETL architecture to establish an appropriate logging strategy. I like to compare a good logging infrastructure to… Read more
A few weeks ago I met a couple of my business partners in a moderately upscale restaurant in the Washington, DC area. It was not my typical kind of place – I’m more of a casual dining guy – but I did enjoy the experience and the atmosphere. There wasn’t… Read more
For data warehouse professionals, data change detection is is a central part of what we do. Accurately detecting new, changed, and deleted records means the difference between doing an expensive truncate-and-reload operation versus a smaller, faster incremental load. SQL Server change tracking, a feature first introduced in SQL Server 2008,… Read more