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?

Optimistic Concurrency in SQL Server

Today I want to talk about Optimistic Concurrency in SQL Server. A few weeks ago I have already blogged about ...


How an uninstalled WordPress Plugin can cause performance problems

Parallel Execution Plans

Pessimistic Concurrency in SQL Server

How to read an Execution Plan

How SQL Server executes a query


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)
SQLPASS Summit in Seattle/USA (October 27 – 30, 2015)


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