多选题Identity two advantages of using a recovery catalog in-load of the control File of the target database Recovery Manager （RMAN）.（）AYou can use RMAN stored scripts.BRecovery is faster if data is stored in catalog in addition to the control file.CYou can store backup Information of all registered databases in one place.DDatabase backups are automatically deleted when they are older than the specified time period.
多选题
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.
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Indentify two advantages of using recovery catalog instead of the control file of the database in Recovery Manager (RMAN)?() A. You can use RMAN stored scriptsB. Recovery is faster if data is stored in catalog in addition to the control fileC. You can store backup information of all registered databases in one placeD. Database backups are automatically deleted when they are older than the specified time period
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单选题Which statement about using RMAN stored scripts is true？（）A To create and execute an RMAN stored script，you must use a recovery catalog.B When executing a stored script and a command fails，the remainder of the script is executed，and a message is written to the alert log file.C RMAN stored scripts can always be executed against any target database that is registered in the recovery catalog.D When you execute a stored script，it always executes using the persistent channel settings previously set with the CONFIGURE command.
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