The 11th and 12th of December and, therefore, the CBO Days in Zurich are approaching. Given the high quality of the speakers that accepted my invitation and the number of people that decided to attend the event, in my opinion it will be a blast! By the way, if you are interested in attending the [.....

The company I work for, Trivadis, is very pleased to organize, the 11th and 12th of December, an outstanding seminar with top guest speakers in Zurich. This year’s focus will be on the Oracle query optimizer, also known as a cost-based optimizer (CBO). The query optimizer is not only one of the most...

This is just a short post to point out that the company I work for, Trivadis, is organizing 3 classes with Cary Millsap. The topic, as the title suggests, is Cary’s 1-day class entitled “Mastering Oracle Trace Data”. The following dates and locations are planned: September 11, 2012 – Münich (DE) September...

The 31st of January and 1st of February 2012 I will present a 2-day seminar about the Oracle query optimizer in Ballerup (DK). The event is organized by Miracle A/S. The content, which is based on the chapters 2, 4, 5, 6, 9 and 10 of my book, is the following: Chapter 1 describes the life [...]

Challenges and Chances of the 11g Query Optimizer is the name of a presentation I gave at several events (e.g. Trivadis Performance Days, Oracle OpenWorld, DOAG Konferenz, UKOUG Conference) throughout 2011. Its abstract is the following: With every new release, the query optimizer is enhanced. Oracle...

I was just informed that there are still some free seats for the 2-day seminar I will present in Berlin in two weeks (June 7-8). Hence, do not wait too long if you want to join us… The content is based on the chapters 4, 5, 6 and 7 of my book, i.e. part 3: Query [...]

The company I work for, Trivadis, has organized a 2-day seminar with Cary Millsap, James Morle, Jonathan Lewis and me. It will take place in Zurich the 24-25 of May. If you are interested in topics like the following, do not miss the opportunity… Thinking clearly about performance How to design...

This is a short note to point out that I added to the Public Appearances page the next conference organized by the UKOUG in Birmingham. It will take place from the 29th of November to the 1st of December. My talk, entitled “Transaction Management Internals”, is scheduled on Wednesday 1st...

This is a short note to point out that I just added to the Public Appearances page the next conference organized by the Deutsche ORACLE-Anwendergruppe (DOAG) in Nürnberg. It will take place on November 16-18. My talk, entitled “Transaktions-Management Internas”, will be the German version...

Few days ago the OOW content team informed me that they changed the location of my presentation from “Rm 200″ to “Rm 304″. This is very good news! Why? Because the capacity has more than doubled. They probably noticed that the previous one was almost full… So, right now...

This is a short note to point out that I just added to the Public Appearances page the next conference organized by the Slovenian Oracle User Group (SIOUG) in Portoroz. It will take place on September 27-29. My talk, entitled “Join Techniques”, is based on chapter 10 of my book. It will be...

Back from two weeks of vacation I noticed that the schedule of the next OpenWorld is available here. The detailled information about my session, which is based on chapter 10 of my book, is the following: ID# S316683 Title Join Techniques Abstract This presentation explains how the query optimizer...

In one month I will be in Berlin presenting a two-day seminar based on the chapters 1, 2, 8, 9, 10 and 11 of my book. The event is organized by DOAG. You can read the full description of the seminar (incl. agenda) here. Just be careful that the spoken language will be German (slides [...]

This is a short note to point out that I just added to the Public Appearances page the next conference organized by the AOUG in Vienna. It will take place on June 15. My talk will be about edition-based redefinition. The full agenda (incl. abstracts) is available here. It is interesting to point out...

The terrific agenda of the first Michigan OakTable Symposium is online. I plan to give the following presentations: Edition-Based Redefinition Interpreting Execution Plans Transaction Management Internals The abstracts are available on my Public Appearances page as well as on the event’s site...

An execution plan describes the operations carried out by the SQL engine to execute a SQL statement. Every time you have to analyze a performance problem related to a SQL statement, or simply question the decisions taken by the query optimizer, you must know the execution plan. Whenever you deal with...

The company I work for, Trivadis, organizes a series of 1-day seminars covering the most important features of Oracle Database 11g Release 2. The following dates and locations are currently planed (some more might be added later on): 2009-12-10 Zurich (CH) 2010-01-19 Frankfurt (DE) 2010-01-20 Munich...

Today I presented at the DOAG Conference in Nuremberg. As the title of this post suggests, I talked about the query optimizer features introduced in Oracle Database 11g. This is an evolution of the paper I already presented at the UKOUG Conference in Birmingham, at the Hotsos Symposium in Dallas, at...

Every March since 2004 I use to spend several days in Dallas. The reason is quite simple… people from around the world sharing my own interests gather there to attend Hotsos Symposium. If, like me, you are focusing on getting the most out of Oracle, this is one of the conferences that you should not...

I already pointed out in a previous post that Tanel Poder will be speaking in Vienna, Düsseldorf, Munich and Zürich next December. The news is that an additional presentation (followed by an aperitif) will take place at the same locations and dates as Tanel’s seminar. At 5pm on the first day, I...

Over the coming months, I’ll be speaking at the following events. When Where What 2008-10-15 16:15-17:15 AOUG Expertentreff, Vienna (A) Query Optimizer 11g 2008-10-21 10:45-12:00 TrivadisOPEN, Zürich (CH) Query Optimizer 11g 2008-10-22 11:30-12:45 TrivadisOPEN, Zürich (CH) Bloom Filters...