You are using the control file to maintain information about the database backups that are being
performed by Recovery Manager (RMAN).
Identify two scenarios in which you must have a recovery catalog.
A.
To store the backup information of multiple database
B.
To restrict the amount of space that is used by the backups
C.
To maintain a backup for a certain time is set by the CONTROL_FILE_RECORD_KEEP_TIME
parameter.
D.
To list the data files that were in a target database at a given time by using the AT option of
REPORTSCHEMA command.