Multitenant
Note: For licensing purposes, one non-CDB instance is equivalent to one user-created PDB inside one CDB.
https://docs.oracle.com/en/database/oracle/oracle-database/12.2/dblic/Licensing-Information.html#GUID-0F9EB85D-4610-4EDF-89C2-4916A0E7AC87
Multitenant
Note: For licensing purposes, one non-CDB instance is equivalent to one user-created PDB inside one CDB.
https://docs.oracle.com/en/database/oracle/oracle-database/12.2/dblic/Licensing-Information.html#GUID-0F9EB85D-4610-4EDF-89C2-4916A0E7AC87
Josselin Joly