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Franck Pachot

OOW14 Day 3 – 12c Adaptive Bitmap Pruning

By | Database management | No Comments

I’m currently following the session ‘Real-World Performance of Star and Snowflake Schemas’ with Michael Hallas, Andrew Holdsworth, John Clarke. It’s really a good presentation. the Real Performance team tries to spread messages about how to design for performance. But today I’ll not blog about what I’ve seen but about what I’ve not seen. Everybody talks about those nice 12c features that are useful in BI workloads, such as adaptive joins, adaptive parallel distribution, vector ‘in-memory’…

 
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Franck Pachot

Solving customer issues at OOW14: Dbvisit Replicate can replicate tables without primary key

By | Database management | No Comments

Usually, the logical replication of changes uses the primary key. Each row updated or deleted generate a statement to be applied on the target, which affects only one row because it accesses with the primary key. If there is no primary key, we need to have something unique and at worst it is the whole row. But sometimes old applications were designed before being implemented into relational database and have no unicity. It it a…

 
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Franck Pachot

OOW14 Day 2 – Delphix #cloneattack

By | Database management | One Comment

Do you know Delphix? The first time I heard of it was from Jonathan Lewis. And from Kyle Hailey of course. So it’s not only about agile and virtualization. It’s a real DBA stuff. So as I did yesterday with Dbvisit #repattack let’s install the demo. Here is the setup: one source virtual machine with an XE database one target virtual machine with XE installed but no database one virtual machine with Delphix And what can…

 
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Gérard Wisson

Day 2 at Oracle Open World – best practices for WebLogic & Cloud Control

By | Application integration & Middleware | No Comments

Today, in this post I will describe some Oracle WebLogic and Cloud Control best practices I have learned in the last sessions. It’s always good to see what is advised by other people that are confronted with other or the same challenges.   Managing Oracle WebLogic Server with Oracle Enterprise Manager 12c One session was related to the best pratices for managing WebLogic with Cloud Control 12c. Use the administration functions: Now you can, with…

 
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Gérard Wisson

1st day at Oracle Open World ’14 : news on the upcoming Oracle WebLogic 12.2.1

By | Application integration & Middleware | No Comments

Landing on Sunday 28th, after a 13 hours’ trip my colleague Franck Pachot and I had just the time to do the registration, go to the hotel, and go back to the “Welcome Reception” where we could eat something. After a night where I could feel the jet lag we where ready to “participate” in this amazing event, the Oracle Open World 2014. The first session I attended was the keynote where new challenges were…

 
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Franck Pachot

OOW14 Day 1 – Dbvisit #repattack

By | Database management | No Comments

Oracle Open World is not only conferences but also practice and networking. Today at the OTN lounge have installed the following demos on my laptop: a Dbvisit replicate #repattack with a Delphix cloning environement #cloneattack I’ll detail the former below and the latter tomorrow, but if you are at San Francisco and missed it, please come tomorrow to the same kind of session at the Oak Table World! You don’t even need the OOW registration…

 
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Nicolas Jardot

OOW 2013: Solving customer issues with the 12c Optimizer (II) – Histogram precision

By | Application integration & Middleware | No Comments

This article is the second on a series of 3 about customer issues in Oracle 11g. The goal is to show how the new version of Oracle solves these issues. This blog will focus on a common issue, when Oracle is not able to get a good histogram because some data is missing at the time the job gathers the statistics These 3 real customer cases have been presented during my session “Solving critical customer…

 
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Arnaud Berbier

Oracle Open World 2013: Day four – Oracle APEX 5.0 and new development techniques

By | Technology Survey | One Comment

This session of John Snyders, Principal member of Technical Staff, Oracle, discussed som new functionalities which will be integrated in the next major release of Oracle APEX – APEX 5.0. The goal of this new release is to improve developer productivity. The way to improve it is to provide out-of-box modal dialog, navigation list, CSS Calendar, and multi-row edition. The most important new features will be the enhancement of the application builder in order to…

 
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Arnaud Berbier

Oracle Open World 2013: Day four – Oracle WebLogic Server management

By | Technology Survey | No Comments

Today, I went to a session on Oracle WebLogic Server management. It was about the challenges of the application infrastructure to deliver a high quality of services in the cloud. The main goal is to optimize production and efficiency through automated management and administration. The speakers were David Cabetlus (Senior Principal Product Manager Oracle) and Glen Hawkins (Senior Director of Product Management Oracle). The session had two parts: Oracle WebLogic Server and Oracle Enterprise Manager…

 
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Arnaud Berbier

Oracle Open World 2013: Day three – WebSocket and Apex

By | Technology Survey | No Comments

This is my third day at San Francisco and the Oracle Open World. In this posting, I will focus on an Oracle application express WebSocket session. I also wanted to share a nice lunch at the Yerba Buena Gardens with you – have a look at the pictures. And the concert: Let’s come back to the OOW sessions. The plan for my third day was as follows: Hardware and software, Engineered to Work Together Oracle…

 
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