Migrating from non-encrypted, non-CDB on local file system to encrypted PDB on ASM
https://database-heartbeat.com/2021/03/30/migrating-from-non-encrypted-non-cdb-on-local-file-system-to-encrypted-pdb-on-asm/ How to UnPlug/Plug-in PDB (TDE Enabled) in DBaaS Environment (Doc ID 2392653.1) https://blog.dbi-services.com/unplug-an-encrypted-pdb-ora-46680-master-keys-of-the-container-database-must-be-exported/