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?

Why I Created the SQL Rescue Sprint – And How It Works

Over the past 25 years, I’ve worked with SQL Server in all kinds of environments: startups, mid-size companies, and global enterprises. And no matter the industry or infrastructure, one thing is always true: When SQL Server slows down, everything slows down! Reports take forever. Blocking brings processes to a halt. Deadlocks frustrate both users and

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My First Bike & Run Half Distance: St. Pölten 2025

Last Sunday (May 25) was the big day: my first Bike & Run over the half distance (90K bike, 21.1K run) in St. Pölten/Lower Austria. Since I had never before taken part in — or even witnessed — a triathlon event of this size, Saturday was already quite an adventure. I had absolutely no idea

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Solar-Powered, Proxmox-Driven: A Tour of My Ultimate SQL Server Home Lab

Back in 2018, I wrote a blog post about my Home Lab environment, which I had built around VMware vSphere to showcase various SQL Server workloads and demonstrate how to troubleshoot performance-related problems. Since then, a lot has changed – especially with the acquisition of VMware by Broadcom. In the past, I was a subscriber

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Past & Upcoming Events