In which situation can you use Flashback Database?
A.
when undoing a shrink data file operation
B.
when retrieving a dropped tablespace
C.
when returning to a point in time before the restoration or re-creation of a control file
D.
when returning to a point in time before the most recent open resetlogs operation
Explanation:
Reference:
http://docs.oracle.com/cd/B28359_01/backup.111/b28273/rcmsynta023.htm (prerequisites, third para)
http://docs.oracle.com/cd/B28359_01/backup.111/b28273/rcmsynta023.htm#RCMRF194