I‘m Klaus Aschenbrenner, a Microsoft Certified Master for SQL Server

»  I help people to bring their SQL server
installations to a new level of excellence.  «

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:

You have seen my Blog Postings?

Relaunching www.SQLpassion.at

After a very long work, a new version of www.SQLpassion.at was deployed last Thursday. It includes a brand-new corporate design, which is much more modern than the older version. I really like the clean new way. Covid-19 has dramatically changed the training business, because everything is currently done online – and I assume that this


My upcoming Online Speaking Engagements

Over the next few weeks I have some online speaking engagements that I want to share with you today. On May 7 (this Friday) I’m speaking at the DataPlatformGeeks Virtual Symposium about Locking Misconceptions in SQL Server. On May 11 I will speak at the Swedish User Group about Deadlocking in SQL Server. On May


SQLpassion Online Training about Statistics & Plan Caching

On April 22, 2021 I will run an SQLpassion Online Training about Statistics & Plan Caching in SQL Server. Statistics are used by SQL Server to estimate how many rows are returned for a given query. Based on that assumption, the Query Optimizer compiles a physical Execution Plan, which is finally executed by SQL Server. The


Upcoming Events