Jan Marek

Speaker Details


Jan is Principal Product Owner at CA Technologies. He has been working in software engineering since 2005. Starting with mainframe workload automation he is now enjoying the world of Db2 for z/OS. His main areas are backup and recovery, utilities and application development. Jan is an IBM Champion for Analytics

Past presentation
12 June 2018
15:00 - 15:45
European SQLAdria Seminar – Šibenik 2018 Beginning with Java and Java Stored Procedures in Db2 for z/OS
Java is not a new technology; Java Stored Procedures were introduced to Db2 for z/OS in version 7. With the recent z13, z14 and their Java improvements, the use of this technology might be extended. Let’s review the concept of Java Stored Procedures in Db2 for z/OS in this presentation, discuss how to write them and introduce the latest enhancements of Java on mainframe.   
• Recent enhancements of Java technology on mainframes 
• Major benefits of Java Stored Procedures 
• Overview of an environment 
• Writing and deploying Java Stored Procedures
• Common problems, performance and security considerations

11 June 2018
16:00 - 17:00
European SQLAdria Seminar – Šibenik 2018 XML – Exploiting new enhancements in Db2 V11 and V12 for z/OS
Support and usage of XML data type in Db2 for z/OS is still evolving. XML and XML-based languages plays important role in a data transfer and application development. Db2 V12 brings additional enhancements to pureXML support in Db2 for z/OS. This presentation will focus on exploitation of pureXML enhancements in Db2 V11 and V12 for z/OS. 
  • Present an overview of pureXML and pureXML internals in Db2 for z/OS. 
  • Review pureXML enhancements in Db2 for z/OS over the years. 
  • By examples introduce new features in Db2 V11 and Db2 V12 for z/OS such as performance improvements of SQL/XML functions, improvements of XMLMODIFY, XMLTABLE enhancements, XQuery language and so. 



SQL Adria is the independent, non-profit organization that gathers relational database users for Croatia and Slovenia. It was founded 1994. and in the same year it has become the regional user group.

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Events in 2018

Ljubljana - 9th & 10th April 2018
Belgrade - 12th April 2018
Šibenik - 10th - 14th June 2018
Zagreb - 18th September 2018
Opatija - 29th & 30th November 2018