choose two Examine the command to duplicate a database:
RMAN> DUPLICATE TARGET DATABASE TO cdb
PLUGGABLE DATABASE pdbl,pdb5;
Which two statements are true about the DUPLICATE command?
A.The root and the seed database in the container database (CDB.are also duplicated. B.A backup of PDB1 and PDB5 must exist before executing the command. C.The SPFILE is copied along with the data files of the pluggable databases (PDBs). D.An auxiliary instance must be started with the initialization parameter ENABLE_PLUGGABLE_DATABASE set to TRUE. E.The DUPLICATE command first creates a backup, and then duplicates the PDBs by using the backup.正确答案AD
