Tomaž Kaštrun (t:@tomaz_tsql) is BI / DEV developer and data analyst. With more than 15 years of experiences in the field of databases, business warehouses and development, with focus on T-SQL programming and query optimization. Besides BI development, his focus is also also data mining, statistics and research.

He has been working with Microsoft SQL Server since version 2000. He is also Microsoft Certified Professional, Microsoft trainer and Microsoft Data Platform MVP.

Tomaž is a blogger, author of many articles, speaker at various community and Microsoft events and an avid coffee drinker.

Some of old blogs (not sure about the names though):




3 thoughts on “About

  1. Hi Tomaž,

    I have subscribed to your presentation “SQL Server 2016 and Microsoft R Server” that you will give in Belgium in March.
    I have +10 years of experience with databases and SQL, and currently no knowledge of R, thought it seems like a nice thing to have in my skill tool belt. Both for use in Power BI and SQL Server.
    Can you point me to a good book/website/.. to get me started?

    Maybe that way I will be better equipped to follow your presentation 😉

    With Kind regards,


  2. Hi Wim,

    Thank you for your email. Presentation will be on integration, R language and how to deal with T-SQL and R code on some practical examples.
    For the presentation you need good will and questions. And if you like coffee, that too 😉

    to get you started, I would suggest a revolution blog: http://blog.revolutionanalytics.com/
    in addition here is a list of R articles I have published on SQL Server central:
    or my blog.
    Great book is available on Microsoft Virtual academy: https://mva.microsoft.com/ebooks titled: Data Science with Microsoft SQL Server 2016. This should get you started.

    And you can always ask a question here! 🙂

    Best, Tomaž


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