I‘m Klaus Aschenbrenner, a Microsoft Certified Master for SQL Server
» I help people to bring their SQL Server & PostgreSQL
installations to a new level of excellence. «
SQLpassion Offerings
SQLpassion helps businesses get the most out of SQL Server & PostgreSQL – from smooth setups to better performance and long-term stability. As a Microsoft Certified Master, I offer tailored consulting, hands-on workshops, and share my expertise at international events – all with a clear focus on delivering real results.
Read one of my latest blog posts:
New on YouTube: PostgreSQL Introduction for the SQL Server Professional
In November, I delivered a webcast titled “PostgreSQL Introduction for the SQL Server Professional” – a compact introduction to the most important architectural and conceptual differences between SQL Server and PostgreSQL. You can find here now the recorded version of the webcast: What This Webcast Covers This session is designed for SQL Server professionals who
SQL Server 2025 RTM – A Technical Deep Dive into Microsoft’s Most Capable Release Yet
Microsoft has officially released SQL Server 2025, and this version marks the biggest architectural and functional leap since SQL Server 2019. While the marketing headlines focus on AI integration and hybrid capabilities, the real impact for data professionals lies deeper in the engine: concurrency enhancements, vector-native storage, improved cardinality feedback, and a fundamental change in
Master SQL Server Performance Tuning – Black Friday Sale: 50% Off All Online Trainings!
Struggling with slow queries? Facing performance bottlenecks? Tired of troubleshooting SQL Server issues without a clear roadmap? With this Black Friday Sale, take control of your SQL Server performance with a powerful learning opportunity: 50% off all my SQL Server online trainings – exclusively available until November 30, 2025! For a limited time, you can
Watch one of my latest YouTube videos:
Introducing my new PostgreSQL Quickies Series on YouTube
For many years I have been publishing my SQL Server Quickies – short, focused videos that explain specific database topics in just a few minutes. These quick sessions have helped countless developers and DBAs to sharpen their skills without the need to spend hours in front of lengthy tutorials. Now it’s time to expand this concept into
Online Recording: Exploring PostgreSQL for SQL Server Developers and DBAs
On January 9 I have done an online presentation about Exploring PostgreSQL for the SQL Server Developers and DBAs for the Cloud Data Driven User Group. You can find the recording of the whole session (around 105 minutes) here to watch: If you’d like to explore the differences between SQL Server and PostgreSQL in greater depth,
SQL Server Quickie #48 – Azure SQL Managed Instance
Today I have uploaded SQL Server Quickie #48 to YouTube. This time I’m talking about Azure SQL Managed Instance. If you are interested in learning more about this very interestingh topic, I highly recommend to check-out my live training about it that I run from November 27 – 28, 2024.
