Roel Hartman
APEX Consulting
Deventer, The Netherlands
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Roel started a long time ago using Oracle RDBMS 5, Oracle Forms 2.3, RPT/RPF and Oracle*Case 4.5. Since over 10 years he focuses mainly on Oracle Application Express.
Roel has been a speaker on UKOUG, OOW, Collaborate, ODTUG's Kscope and a number of local Oracle User Groups.
Within ODTUG he acted as the APEX Content Lead for the Kscope14 and KScope15 conferences and was a member of the Board of Directors from 2018 to 2024.
He keeps an (APEX-related) blog on https://roelhartman.blogspot.com.
In June 2009 Roel received an Oracle ACE award and in August 2010 he's appointed as Oracle ACE Director.
Roel is a co-writer of the "Expert Oracle Application Express" and "Oracle Application Express for Mobile Web Applications" books.
Roel is Director at APEX Consulting in The Netherlands.
Area of Expertise
Topics
Creating a CI/CD pipeline using SQLcl project
"SQLcl project" is first spotted in SQLcl in October 2024. The goal of this new feature is to make development and deployment of database applications, including APEX, easier.
In this session we will dive into the nuts and bolt of "SQLcl project" and will discover if it delivers what it promises.
Going to the movies with Oracle Database 23ai and APEX
Oracle Database 23ai is labeled as the first release primarily aimed at the developer. The release includes many new and updated features that makes developing applications using Oracle database easier and faster. But what does that mean for the APEX Developer? How can they benefit from the use of AI Vector Search? What can you do with Property Graphs?
This session will show you how you can use the APEX AI integration, AI Vector Search, RAG and Property Graphs to find out "Who is 6 degrees of Kevin Bacon"!
APEX, ORDS and JRDV - The Three Amigos
Oracle Database 23ai introduced JRDV: JSON -Relational Duality Views. This ground-breaking functionality give you the flexibiilty of JSON documents as well as all the advantages of the relational model.
A customer uses one centralised APEX Monitoring application to keep an eye on multiple satellite installations of APEX applications for different customers. Runtime data of these APEX applications are sent from the satellites to the Monitoring application using PL/SQL functions to code and decode the data and ORDS as the bridge in between.
Taking this real life project as a starting point we will demonstrate how the use of JSON-Relation Duality Views can have a huge impact on the complexity - and therefore maintainability - of the codebase.
OUGN2025 Sessionize Event Upcoming
HrOUG 2024 Sessionize Event
MakeIT 2024 / JCON OpenBlend Slovenia 2024 Sessionize Event
ConTech2024 by RoOUG Sessionize Event
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