Lucas Jellema
Zoetermeer, Netherlands


 
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AUTHOR BIO:Lucas Jellema is CTO at AMIS, an Oracle, Java, and SOA specialist based in Nieuwegein, The Netherlands. He works as a consultant, architect, and instructor in diverse areas, such as SQL & and PL/SQL, Java, Oracle ADF & and WebCenter, and SOA Suite. The running theme through most of his activities is the transfer of knowledge and enthusiasm.



Lucas is an author at the AMIS Technology Blog (http://technology.amis.nl/blog), for Oracle Technology Network, and for international magazines. He is a frequent presenter on at international conferences, including Devoxx, JavaOne, Oracle Open World, ODTUG, UKOUG, OBUG, AUSOUG, and , Oracle University Celebrity Seminars, and AUSOUG. He was nominated Oracle ACE in 2005 and ACE Director in 2006.



Before joining AMIS in 2002, he Lucas worked for Oracle Consultancy in the Netherlands, where he was a member of the Internet Development Center of Excellence - working on classic products like such as Oracle Designer & and Forms and the productivity boosters Headstart, CDM RuleFrame, Echo, Repository Object Browser, and JHeadstart.

SERVICES:Consultancy and training on SOA (Suite), ADF and WebCenter, PL/SQL and SQL, and more.


WRITTEN WORKS:

Java developers: make the database work for you (2010)

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Presentaion by Lucas Jellema


Reaching Out from PL/SQL Engaging with the world (2010)

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Presentation by Lucas Jellema


Oracle SOA Suite 11g Handbook
Published on: 2010-08-27
Copyright: 2011
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Oracle SOA Suite 11g Meets Oracle Business Process Management 11g (2010)

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Presentation by Lucas Jellema


SOA for PL/SQL Developers (2010)

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Presentation by Lucas Jellema


SOA for Database Professionals (2010)

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Presentation by Lucas Jellema


Why and How to Engage a Complex Event Processor from a Java Web Application (2010)

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Presentation by Lucas Jellema


Xenogenetics for PL/SQL: Infusing with Java Best Practices and Design Patterns (2010)

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Presentation by Lucas Jellema and Alex Nuijten


Forms2Future: Journey into the Future for organizations on the Oracle Platform (2010)

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Presentation by Peter Ebell and Lucas Jellema



BLOG:

When to use the Oracle Database In-Memory option?
Mon, 22 Sep 2014 08:00:42 +0000

The application and usage of the Oracle Database In-Memory has been described by Pom Bleeksma in this post. Oracle Database In-Memory can result in huge improvement in application query performance. This post will answer the question: “what would be an optimal situation for using the Oracle Database In-Memory feature?” The most predictable answer for these [...]

The post When to use the Oracle Database In-Memory option? appeared first on AMIS Technology Blog.


Oracle SOA Suite 11g and 12c: Determining composite dependencies to the level of operations
Wed, 17 Sep 2014 16:22:07 +0000

In large companies, often there are many services and dependencies between services. It is important to track service dependencies in order to for example estimate the impact of changes. Design documents or architecture views can be used for this but as everybody knows, there is often a gap between theory and practice (design and implementation). [...]

The post Oracle SOA Suite 11g and 12c: Determining composite dependencies to the level of operations appeared first on AMIS Technology Blog.


The Making of the World Cup Football 2014 Match Center ADF & AngularJS/HTML5 Application
Sat, 13 Sep 2014 08:55:34 +0000

This blog-post accompanies the OTN Article Marrying the Worlds of ADF and HTML 5 – to provide some details about setting up the environment for the ADF & HTML5/AngularJS World Cup Football 2014 Match Center application and about some implementation details in this application. Development Environment In order to inspect the applications, you will need [...]

The post The Making of the World Cup Football 2014 Match Center ADF & AngularJS/HTML5 Application appeared first on AMIS Technology Blog.


Developing the AngularJS Tagcloud application – appendix for Marrying the Worlds of ADF and HTML5
Sat, 13 Sep 2014 06:49:44 +0000

This blog-post accompanies the OTN Article Marrying the Worlds of ADF and HTML 5 – to provide some details about setting up the HTML5/AngularJS development environment and about the development of the AngularJS application. Get hold of the sources All sources associated with the article are available from GitHub: https://github.com/pavadeli/adf-html5. You can clone this GitHub [...]

The post Developing the AngularJS Tagcloud application – appendix for Marrying the Worlds of ADF and HTML5 appeared first on AMIS Technology Blog.


Sometimes the cause of a TNS error is ….
Wed, 03 Sep 2014 15:14:54 +0000

A couple of months ago one of my customers had a failed data ware house report. There was a ORA-12592 (TNS) error message generated. I turned out not to be the only TNS error. During a couple of weeks similar TNS-errors were generated. Not only the ORA-12592 error but also ORA-12514 and ORA-12571 errors. We [...]

The post Sometimes the cause of a TNS error is …. appeared first on AMIS Technology Blog.


How to make a time consistent export dump using the expdp datapump utility
Wed, 03 Sep 2014 14:08:13 +0000

In those old days when there was the exp utility we made a time consistent export dump by using the consistent=y parameter. But today, in fact a couple of years already, we mostly use the expdp datapump utility. How should we make a time consistent export using datapump? For that we use the flashback_time or [...]

The post How to make a time consistent export dump using the expdp datapump utility appeared first on AMIS Technology Blog.


 
Author Profile
Name: Lucas Jellema
Location: Zoetermeer, Netherlands
Subjects: Middleware; Databases;
Regions: Australia; Europe; US/West Coast;


Website: technology.amis.nl/blog

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