32. You executed the following command in Recovery Manager (RMAN) aga
inst your Oracle 10g database:
RMAN> REPORT NEED BACKUP days 3;
What would be the output of this command?
A. a list of files that require a backup within three days
B. a list of files that have not been backed up for three days
C. a list of files that RMAN recommends be backed up only once in eve
ry three days, based on low volatility
D. a list of files for which a backup has already been performed and
may need a backup after three days
Answer: B
要报告需要三个或更多增量备份来进行恢复的文件：
RMAN > REPORT NEED BACKUP incremental 3 database;
要报告三天以来尚未进行备份的系统文件：
RMAN > REPORT NEED BACKUP days 3 tablespace system;
要报告需要进行备份以恢复到三天前的数据状态：
REPORT NEED BACKUP recovery window of 3 days;
如果不具有两个或更多个备份则需要进行备份 redundancy 冗余
REPORT NEED BACKUP redundancy 2
这个report 出来的应该都是数据文件，而不是备份集或者映像副本
来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/11312660/viewspace-717691/ ，如需转载，请注明出处，否则将追究法律责任。
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