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.
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.
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