Jim Czuprynski has over forty years of professional experience in Information Technology, serving diverse roles at various Fortune 1000 companies before becoming an Oracle DBA in 2001. In his 5+ years as one of the top instructors for Oracle University, he trained over 2,000 DBAs in basic database administration, backup and recovery, and performance tuning for single-instance and Real Application Cluster databases, as well as 200 DBMAs in the minutiae of Exadata Database Machine management techniques. Jim has been an Oracle ACE Director since 2014 and is a sought-after public speaker on Oracle technology, presenting often at Oracle OpenWorld, Oracle CODE, COLLABORATE, KSCOPE, Oracle Development Community tours, and Oracle User Group conferences around the world. He has authored 100+ articles on Oracle Database administration, ML/analytics, and APEX since 2003 atdatabasejournal.com, IOUG SELECT, and ODTUG TechCeleration and has co-authored four books on Oracle database technology.