为自己加油

Choose three. The HR_ROOT application container must support the

Execution of a query on a table shared by application local PDBs PDB1 and

PDB2, and remote PDB PDB3. Which three are true?

A.A proxy PDB must exist in the application root in the local CDB.
B.PDB3's application root replica must exist in the local CDB.
C.The HR_ROOT replica must exist in the remote CDB.
D.A database link must exist in the remote CDB referring to the local CDB.
E.A proxy PDB must exist in the application root in the remote CDB.
F.A database link must exist in the local CDB root referring to the remote CDB.