Your host during aftrenoon is:

2:00pm – 2:45pm (CEST)
        But that worked yesterday! Testing with utPLSQL
        speaker: Samuel Nitsche

3:00pm – 3:45pm (CEST)
        SQLcl – SQL*Plus with benefits
        speaker: Erik van Roon

4:00pm – 4:45pm (CEST)
        Extreme Exadata: Top 10 Analytics Techniques to Maximize Performance
        speaker: Ashish Agrawal

5:00pm – 5:45pm (CEST)
       REST, HTTP, and ORDS 101 for the Oracle Database Developer
       speaker: Jeff Smith