126. Your database is functioning in ARCHIVELOG mode. In which two si
tuations would you perform. a cancel-based recovery? (Choose two)
A. You find that one of the redo log members in each redo log gro
up is lost.
B. You find that a data file that belongs to the USERS tablespace
C. You find that a data file that belongs to the SYSTEM tablespac
e is damaged.
D. You find that the current redo log group is damaged and is not
available for recovery.
E. You realized while performing a recovery that an archived redo
log file needed for recovery is lost.
Answer: D, E
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