Thank you to the Dallas OUG for letting me present recently on my "Oracle Dataguard Deep Dive" topic. I also covered 12c new features as well in this presentation. You may view my presentation at the following link.
http://tinyurl.com/hq5h7s3
Oracle/TiDB/SingleStore Blog - Database Technology Leader, Master Principal Cloud Architect at Oracle. Oracle Exadata Database Machine Certified Implementation Specialist, OCP - Oracle Certified Professional, Oracle ACE Associate, Co-Author of Oracle Exadata Experts Handbook, Engineered Systems Solution Architect, Oracle Cloud (OCI) and AI & Engineered systems Pre-sales.