CAE Exams

I am pleased to report that I passed the Cambridge Certificate in Advanced English with the Grade “A”. Of course I am very pleased with the results and Cambridge states that:

Grade A, which demonstrates an ability at Council of Europe Level C2

Result of the CAE Exams

Nonetheless, I hope to improve my language skills even further and hopefully get more proficient with the English language. But of course, this certificate is also a good way to show my proficiency in English to any employer that might come along…

Apply Patchset to Oracle 10gR2

One of the regularly recurring tasks is to apply a Patchset to a database. This post contains the basic steps required to apply Patchset to an unpatched Oracle 10g Database ( I am using this post mainly for my own reference, so please do not expect an extensive step-by-step guide. Note that you need Oracle Support (formerly Metalink) to access and download the patches.

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PGA Cache Hit Percentage

This week and next week I am participating in an Oracle Architecture and Internals training at Trivadis in Berne. Today, we received an overview of Oracle (Editions, Licensing, Support) and took a first look into the Oracle Architecture. This first chunk of information included Parameters, Memory and Process Structures. While looking at the PGA structures, I noticed a graph showing “PGA Cache Hit Percentage” in relation to the sizing of the PGA.

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Hello world

My name is Simon Krenger, I am a Technical Account Manager (TAM) at Red Hat. I advise our customers in using Kubernetes, Containers, Linux and Open Source.


  1. GitHub
  2. LinkedIn
  3. GitLab