为自己加油

Choose three.

A container database, CDB1, contains a pluggable database PDB1.

Another container database is called CDB2.

You want to relocate PDB1 from CDB1 to CDB2 with near-zero down time.

Which three are required?

A.
CDB1 must be in archivelog mode.
B.
CDB2 must be in shared UNDO mode only.
C.
CDB1 and CDB2 must be in shared UNDO mode.
D.
CDB2 must be in archivelog mode.
E.
CDB1 and CDB2 must both be in local UNDO mode.
F.CDB1 must be in shared UNDO mode only.