为自己加油

Your container database, CDB1, has an application container, HR_ROOT,

With an application PDB, HR_PDB1. You have the required privilege to clone

HR_PDB1 to container database CDB2, which does not contain HR_ROOT.

Which two are always true? (Choose two.)

A.
CDB1 and CDB2 must be in shared undo mode.
B.
A common user must exist in CDB2 with the CREATE PLUGGABLE DATABASE privilege.
C.
All transactions in HR_PDB1 of CDB1 must commit before the cloning process starts.
D.
Cloning HR_ROOT automatically clones HR_PDB1.
E.
The HR_PDB1clone created in CDB2 will be in mount state when cloning ends.