Your database is functioning in NOARCHIVELOG mode. Your database contains 15 tablespaces. You want to use Recovery Manager (RMAN) to perform backups. Which two backups would you be able to perform when the database is being accessed by users?()
A. backup of offline tablespaces
B. backup of readonly tablespaces
C. backup of systemcritical tablespaces
D. backup of online, locally managed tablespaces
E. backup of read/write dictionarymanaged tablespace
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中央银行与金融市场的关系表现在它既是金融市场的()又是金融市场的()。
具有管理才能的雇用人员掌握了(),直接为科学管理理论的产生创造了条件。
A. 管理权
B. 控制权
C. 股东权
我国中学德育应坚持哪些基本原则?每一原则的实施要求是什么?
道路与铁路并行、且等于或高于铁路的地段,应在靠近铁路一侧设置防护设施。
A. 正确
B. 错误