[Oracle] supports ledba22 cancel-based recovery, cwmbasedrecovery
The current time is 12: 00 noon. You want to recover the USERS tablespace
From a failure that occurred at :50 a.m. You discover that
The only member of an unarchived redo log group containing information
From a.m. onwards is wrongly upt.
With reference to this scenario, if you are not using Recovery Manager (RMAN ),
Which recovery method wocould you use?
A. time-based recovery
B. log sequence recovery
C. cancel-based recovery
D. change-based recovery
Answer: C
When restoring with recover database until cancel, you can press enter until there is no archive
Log files are available until (in this case, if all online log files are archived
All data can be restored). You can also enter CANCEL during the restoration process to use part of the archived log files.
In this case, only part of the data can be recovered ).