Choose three.
Which three are true about creating container databases (CDBs) and pluggable databases (PDBs) in Oracle 19c and later releases?
A.A snapshot copy PDB can be a full copy of a source PDB. B.A snapshot copy PDB does not depend on an existing storage snapshot of the source PDB. C.A PDB snapshot depends on an existing storage snapshot of the source PDB. D.A PDB snapshot can be a full copy of a source PDB. E.A CDB can be duplicated using the Database Configuration Assistant (DBCA.in silent mode with no configuration required before starting the duplication. F.A CDB can be duplicated using Recovery Manager (RMAN) with no configuration required before starting the duplication.正确答案ACF
G) A PDB snapshot can be a sparse copy of a source PDB.