I'm Klaus Aschenbrenner

I help people to bring their sql server installations to a new level of excellence.

“Klaus resolved our performance problems quickly and easily and gave us perfect guidance to avoid them in the future.” Michael from Mannheim, Germany

SQLpassion Offerings

SQLpassion, a European SQL Server consulting company, provides high-quality SQL Server consulting services. We are based in Vienna, Austria, but our client base is spread across the continent. We provide the following SQL Server services:

link_health link_consulting link_academy


You have seen my Blog Postings?

Self-Paced Online Trainings

You don’t have the time to set a whole day or even a whole week in a SQL Server training? ...


SQLpassion Workshops for Fall 2017

SQLpassion Online Trainings in July 2017

Tracking Lookup Operations in SQL Server

How to calculate RAID 5 Parity Information

Cardinality Estimation Limitations


Time for a latest SQL Server Quickie:

Upcoming Events

Self-Paced Online Trainings
SQL Server Query Tuning Workshop
SQL Server Performance Tuning Workshop


SQLdays, October 9 – 12 in Erding/Germany


Copyright © 2017 by SQLpassion e.U. · Imprint · Offerings · Academy · Contact · Go to Top