（单选题）
You work as a database administrator for Supportcenter.cn. You want to configure database backups to be run automatically. Which tool or utility would you use to achieve this？（）
AThe DBMS_JOB package
BThe BACKUP_JOB package
CThe DBMS_BACKUP_RESTORE package
DThe calendar tool in the Operating System （OS）
EThe backup scheduler in Enterprise Manager （EM）
FThe DBMS_BACKUP_SCHEDULER packager inline mode
正确答案
答案解析
略
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