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:

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You have seen my Blog Postings?

Upcoming SQLpassion Online Trainings

Today I’m quite happy to announce my upcoming SQLpassion Trainings for the next few months. Currently I have scheduled the ...


Troubleshooting NUMA Node Imbalance Problems

Scalar Valued Functions in SQL Server 2019

Benchmarking the VMware LSI Logic SAS Controller against the PVSCSI Controller

SQLpassion Online Training in June 2019

Save 50% on my SQL Server Performance Tuning & Troubleshooting Workshop


Time for a latest SQL Server Quickie:

Upcoming Events

SQL Server on Linux, Docker, and Kubernetes: November 4, 2019
SQL Server Performance Troubleshooting: November 6, 2019


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