As the name implies, pluggable databases could be easily decoupled from the container database. A user database can be cleanly moved from one copy of Oracle 12c to another copy of Oracle 12c.

A pluggable database must be a current Oracle Database 12c database, configured for multitenant through a new enterprise edition option called Oracle Multitenant. It delivers a new architecture that ...

From Oracle Database 20c onward, non-CDB (container database) architecture will no longer be supported. However, with the recent multitenant licensing change permitting up to three pluggable databases ...

With its multitenant architecture and pluggable databases, Oracle Database 12c makes it ... of a comprehensive cloud strategy. A single “container” database in 12c can handle up to 252 ...

An Oracle database is a multi-tenant container database (CDB) that holds one system seed pluggable database and any number of user-created pluggable databases (PDBs). (See the third diagram below.) ...

With the Trove guest agent, DBAs will be able to create, configure, and start Oracle pluggable databases within a container database environment. Tesora claims that "the Oracle container database ...