Identity two advantages of using a recovery catalog in-load of the control File of the target database Recovery Manager （RMAN）.（）

• A、 You can use RMAN stored scripts.
• B、 Recovery is faster if data is stored in catalog in addition to the control file.
• C、 You can store backup Information of all registered databases in one place.
• D、 Database backups are automatically deleted when they are older than the specified time period.