多项选择题
A. To store the backup information of multiple database
B. To restrict the amount of space that is used by the backups
C. To maintain a backup for a certain time is set by the CONTROL_FILE_RECORD_KEEP_TIME parameter.
D. To list the data files that were in a target database at a given time by using the AT option of REPORT SCHEMA command.
单项选择题 View the Exhibit and note the contents of V$DIAG_INFO. Which statement is true about the ADR?（）
单项选择题 You want to set the following initialization parameters for your database instance： Identify the statement that correctly describes this setting.（）
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?（）