单选题
发布日期:2020-04-10
Create a manual incremental online database backup.
Back up all the archived redo logs generated since the 8 a.m. backup.
Create a brand-new backup after all the changes have been applied.
There is no way to make the changes recoverable based on the 8 a.m. backup.
Perform an online backup of the tablespace(s) that contained changed data.
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