053-47

You issue the following command on the RMAN prompt.
REPORT NEED BACKUP DAYS 5;
Which statement is true about executing this command?
A. It will display a list of files that need incremental backup
B. It will display a list of files that need backup after five days
C. It will display a list of files that were backed up in the last five days
D. It will display a list of files that have not been backed up in the last five days
E. It will apply the current retention policy to determine the files that need to be backed up

你可以在不同保留策略中使用 REPORT NEED BACKUP，例如：
1. REPORT NEED BACKUP RECOVERY WINDOW OF n DAYS
显示满足恢复窗口保留策略所需的备份的对象
2. REPORT NEED BACKUP REDUNDANCY n
显示满足保留策略所需的备份的对象
3. REPORT NEED BACKUP DAYS n
显示对于恢复所需的归档超过 N 天的文件
4. REPORT NEED BACKUP INCREMENTAL n
显示对于恢复所需应用的增量备份超过 N 的文件