Your host today is:
1:30pm – 3:30pm (CEST) 
HOL session: JSON in Oracle Database 19c New Features Running on OCI
speaker: Valentin Leonard Tabacaru
4:00pm – 4:45pm (CEST)
Zero-Downtime Application Upgrades with EBR Made Easy
speaker: Oren Nakdimon
5:00pm – 5:45pm (CEST)
SQL 101: Why and How (back to the basics)
speaker: Franck Pachot
6:00pm – 6:45pm (CEST)
DB Time Basics
speaker: John Beresniewicz