单项选择题
A. The MANDATORY location must be a flash recovery area.
B. The optional destinations may not use the flash recovery area.
C. This setting is not allowed because the first destination is not set as MANDATORY.
D. The online redo log file is not allowed to be overwritten if the archived log cannot be created in the fourth destination.
单项选择题 A database instance is using an Automatic Storage Management (ASM) instance, which has a disk group, DGROUP1, created as follows: What happens when the whole CONTROLLER1 Failure group is damaged?（）
多项选择题 The EMP table has some discrepancy in data entry with a particular employee ID. You execute the query as shown in the Exhibit to retrieve all versions of the row that exist between two SCNs. View the Exhibit. Which two statements about the results of the query shown in the Exhibit are correct?（）
单项选择题 Before a Flashback Table operation, you execute the following command: ALTER TABLE employees ENABLE ROW MOVEMENT; Why would you need this to be executed?（）
