Examine the command to duplicate a database:
RMAN> DUPLICATE TARGET DATABASE TO cdb
PLUGGABLE DATABASE pdb1, pdb5;
Which two statements are true about the DUPLICATE command?
A.正确答案DEThe SPFILE is copied along with the datafiles of the pluggable databases (PDBs).
B.A backup of pdb1 and pdb5 must exist before executing the command.
C.The duplicate command first creates a backup, and then duplicates the PDBs
By using the backup.
D.A backup of CDB and pdb1 and pdb5 must exist before executing the command.
E.An auxiliary instance must be started with the initialization parameter
ENABLE_PLUGGABLE_DATABASE set to TRUE.