As of Oracle 12c release 12.1.0.2 the following features are not supported for use in CDB instances.
- Database Change Notification
- Continuous Query Notification (CQN)
- Client Side Cache
- Heat Map
- Automatic Data Optimization
- Oracle Streams
- Oracle Fail Safe
- Flashback Pluggable Database (Flashback Database works but will flashback CDB$ROOT including all PDBs)
- DBVERIFY
- Data Recovery Advisor (DRA)
- Flashback Transaction Backout
Larry Catt
OCP