单项选择题
A. when ASM disk goes offline
B. when one or more ASM files are dropped
C. when some disks in a disk group are offline
D. when some disks in a failure group for a disk group are rebalancing
单项选择题 Which statement about recovering from the loss of a redo log group is true?()
单项选择题 You issue the following command on the RMAN prompt. REPORT NEED BACKUP DAYS 5; Which statement is true about executing this command?()
多项选择题 What happens when you run the SQL Tuning Advisor with limited scope?()