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?

The ambiguity of the ORDER BY in SQL Server

In today’s blog posting I want to talk about a very controversial and complex topic in SQL Server: the ambiguity ...


SQLpassion Workshops in Fall 2015

How to randomize a result set in SQL Server

The pain of Simple Parameterization in SQL Server

How to find your worst performing SQL Server queries

Introduction to Wait Statistics in SQL Server


Time for a latest SQL Server Quickie:

Upcoming Events

SQL Server Query Tuning Workshop
SQL Server Performance Tuning Workshop

SQLdays 2015 in Erding/Germany (October 13 – 14, 2015)


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