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?

Scalar Valued Functions in SQL Server 2019

One of the coolest new performance improvements in SQL Server 2019 is a better support for Scalar Valued Functions. As ...


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

SQL Server on Linux – how does it actually work?

Upgrading SQL Server on Linux


Time for a latest SQL Server Quickie:

Upcoming Events

SQL Server Query Tuning Fundamentals: June 24, 2019


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