【多选题】Examine the following command that is used to duplicate a database on the same host: Which two statements describe the effect after the database is duplicated successfully? ()
A.
The data files of the read-only tablespaces in the target database are not duplicated
B.
The read-only tablespaces in the target database are still defined in new the database
C.
The read-only tablespaces in the target database are changed to online after duplication
D.
The data files of the read-only tablespaces in the target database get duplicated
E.
The read-only tablespaces in the target database are not defined in the new database
【单选题】Your database is running in ARCHIVELOG mode, and the database is open. You execute an RMAN backupand specify the KEEP clause.Which components are backed up when this option is specified?()
A.
only the control file, the current SPFILE, and data files
B.
only the current SPFILE and data files if autobackup is disabled
C.
only the data files and the archived redo logs
D.
the control file, current SPFILE file, data files, and archived redo logs