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?

SQLpassion Online Trainings for Fall 2018

Today I’m quite happy to announce my SQLpassion Online Trainings for the remaining year. Currently I have scheduled the following ...


Migrating to VMware vSphere 6.7

SQLpassion Online Academy Summer Sale!

What is an Event-Less Extended Event Session?

Does a Query always wait in the SUSPENDED State?

Actual Number of Rows are not always accurate


Time for a latest SQL Server Quickie:

Upcoming Events

SQL Server Query Tuning Fundamentals: September 18, 2018
Design, Deploy, and Optimize SQL Server on VMware: October 22 – 24, 2018
SQL Server in the Cloud: November 12, 2018
SQL Server Performance Troubleshooting Hands-On Labs: November 26 – 27, 2018
SQLdays in Erding/Germany


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