问题补充：
题目类型：[多选] 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 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
答案：
参考答案: A, C
试题难度：★★☆
参考解析：
