单项选择题
A. The TEMP tablespace is taken offline. The users using the TEMP tablespace for sorting are disconnected after their queries complete.
B. The TEMP tablespace is taken offline. The users using the TEMP tablespace for sorting are disconnected and must re-execute their queries.
C. The TEMP tablespace is taken offline. The users using the TEMP tablespace for sorting are not disconnected， but these users must re-execute their queries.
D. The TEMP tablespace is not taken offline. The users using the TEMP tablespace for sorting are not disconnected， and their queries execute successfully.
单项选择题 You issue the following command on the RMAN prompt. RMAN> REPORT NEED BACKUP DAYS = 5 DATABASE； Which statement is true about executing this command？（）
单项选择题 YouaremaintainingyourdatabaseinOracle10g.Whileperforminganincrementalbackupofthedatabase，youwanttobackuponlythoseblocksthathavechangedsincethelastbackup.Whichfilewillyoucreatetoincreasetheperformanceofthebackupoperationwhileperformingtheincrementalbackupofthedatabase？（）
单项选择题 YouaremaintainingyourdatabaseinOracle10g.Youarerequiredtoviewthelistoffilesthathavenotbeenbackedupforthelastsevendays.WhichRMANcommandwillyouuse？（）