Part I Multitenant Architecture
The multitenant architecture enables an Oracle database to function as a multitenant container database (CDB).
This part contains the following chapters:
- CDBs and PDBs
 The multitenant architecture enables an Oracle database to function as a multitenant container database (CDB).
- Application Containers
 Within a CDB, you can create a container for application data and metadata that can be shared by PDBs.