Klaus Aschenbrenner

SQLpassion Online Training about Statistics & Plan Caching

On January 28, 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 …

SQLpassion Online Training about Statistics & Plan Caching + read more

Remaining SQLpassion Online Trainings for the year 2020

Time goes by, and this crazy year comes slowly to its end. Therefore, I’m announcing today the SQLpassion Online Trainings for the remaining year. I have scheduled the following 2 trainings: SQL Server on Linux, Docker, and Kubernetes: November 26, 2020 SQL Server Query Tuning Workshop – Online Edition: December 8 – 10, 2020 Because …

Remaining SQLpassion Online Trainings for the year 2020 + read more

Building a 28-node Raspberry Pi Kubernetes Cluster

I’m a really big fan and believer of Kubernetes. I’m already working with Kubernetes for about 2 years, and I always wanted to know how to operate a larger Kubernetes Cluster. Therefore, back in the year 2018 I bought the necessary equipment to build a large-scale Kubernetes Cluster with 28 (!) Raspberry Pi’s! Unfortunately, I …

Building a 28-node Raspberry Pi Kubernetes Cluster + read more