Author: Gerwin Hendriksen

During the years I have a lot of times encountered performance problems that ended up to be fast queries (less than 10ms) which are executed very much. In these …

Sunday 21 September 2008 at Oracle Open World, I had the opportunity to present my method “GAPP” once more (HOTSOS 2008 and Planboard may 2008). This time I also …

Larry yesterday did his keynote here at Oracle Open World introducing the “Oracle(R) Exadata Storage Server”. This morning I attended a session about the technical details behind the server. …

Currently waiting on the airport to go to San Francisco. Luckely had the time to write this blog. Last time I checked the number of pre-enrolled people for my …

Last Tuesday (27th of May) I was present at the Oracle DBA Symposium as a presenter and attendee. The DBA Symposium was organized by Planboard. After all attendees and …

Yesterday I had the opportunity to present my developed performance profiling approach called “GAPP” at the HOTSOS Symposium 2008 here in Dallas. “GAPP” is an abbreviation of “General Approach …

If you want to know what a Merchant, some strawberries and a performance problem have in common, you should come to the AMIS Query at thursday (28-02-2008). In this …

During my work a lot of times I have heard the same rumour. Lots of people are stating that when a system is doing index scans the system is …

In a lot of cases it is very interesting to be able to trace Self Service Applications (CRM) in Oracle Applications 11i. Most of the time it is very …

Thursday 14 december 2006, we had here at AMIS a Query called "High Availability: RAC vs. Data Guard" the Query was lead by Oak Table Network members Carel Jan …

A couple of weeks ago I was at a MasterClass from Jonathan Lewis about the Cost Based Optimizer. It was a very interesting two days and I like to …

A short time ago I was asked to checkout the performance of an 4 node 64 bit linux RAC cluster on 9.2.0.7 RDBMS. After a short investigation I found …