About Oracle

Last Friday at work, I overheard a conversation between two DBA's about a performance problem of a job which usually ran in 10 minutes, ...

As this post appears, I'm presenting on this subject for the Dutch Oracle User Group OGh . This blog post won't contain as much deta...

Seven years after the  first Obfuscated SQL Code Contest , a new one has been organised on the PL/SQL Challenge website. I had fun writing m...

A couple of months ago, Nienke Gijsen invited me to speak about materialized views at the upcoming Planboard DBA Symposium. Because I had th...

The fifth edition of OGh APEX World took place last Tuesday at Hotel Figi, Zeist in the Netherlands. Again it was a beautiful day full of gr...

I answered a few SQL questions on Stack Overflow recently, which I could solve easily by using the Tabibitosan method. It's such an eleg...

During a performance inspection of some E-Business Suite batch programs running on 11.2.0.3, I noticed almost 99% of the consistent reads mi...