After running the CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 7 DAYS command, what has been accomplished?()
- A、Retain the data file backup for 7 days.
- B、Run the recover process every 7 days.
- C、Destroy the physical backup files every 7 days.
- D、Destroy the physical backup files older than 7 days.
- E、Retain one backup of each data file for at least 7 days.
- F、Keep the catalog information in the control file for 7 days.
正确答案:E
答案解析:有

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