单选题While setting up an Oracle database for one of your critical applications， you want to ensure that the database is backed up at regular intervals without your intervention.What should you do to achieve the objective？（）Aconfigure the database to run in ARCHIVELOG modeBconfigure the Flash Recovery Area to enable automatic database backupCschedule the database backup using DBMS_JOB package after creating the databaseDschedule the database backup using Recovery Manager （RMAN）commands after creating the databaseEschedule the database backup using Database Configuration Assistant （DBCA）while creating the database
单选题
While setting up an Oracle database for one of your critical applications， you want to ensure that the database is backed up at regular intervals without your intervention.What should you do to achieve the objective？（）
A
configure the database to run in ARCHIVELOG mode
B
configure the Flash Recovery Area to enable automatic database backup
C
schedule the database backup using DBMS_JOB package after creating the database
D
schedule the database backup using Recovery Manager （RMAN）commands after creating the database
E
schedule the database backup using Database Configuration Assistant （DBCA）while creating the database
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