Author Archives: Kathi Kellenberger

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About Kathi Kellenberger

I am the editor of the online journal Simple Talk. I love talking about SQL Server to anyone who will listen, just ask my seven year old granddaughter. I love to write and teach. I am so humbled and honored to say I am a former Data Platform MVP.

New Post on SQL Authority

Posted on 2014/11/01 by Kathi Kellenberger

Over the past year, Linchpin People consultants have contributed to Pinal Dave’s popular SQL Authority site in the Notes From the Field series. Since I am new to Linchpin People, I just got in the rotation and contributed the 52nd installment. … Continue reading →

Posted in T-SQL | Leave a comment

Is ROW_NUMBER() non-deterministic?

Posted on 2014/10/05 by Kathi Kellenberger

I have presented my T-SQL Window function presentations for a couple of years. I love it when interesting questions come up during the session. Recently, during my intro session, I was showing the difference between ROW_NUMBER, RANK, and DENSE_RANK by … Continue reading →

Posted in T-SQL, T-SQL Window Functions | Leave a comment

What is the Difference between ROWS and RANGE?

Posted on 2014/09/27 by Kathi Kellenberger

UPDATE: For more from me about T-SQL Window Functions, check out my Pluralsight course! I have been speaking and writing a bunch lately on T-SQL window functions. There is always more to learn, it seems. Framing for many of the … Continue reading →

Posted in T-SQL, T-SQL Window Functions | 3 Comments