单选题Consider the recovery steps in each of the cases given below:  Case 1:  Shut down the database and perform a backup.  Restore all the data files.  Mount the database.  Recover the database.  Without applying all the redo log files, open the database using the RESETLOGS option.  Back up the database.  Case 2:  Shut down the database and perform a backup.  Restore only the data files of the tablespace where user error damaged the data.  Mount the database.  Recover the database.  Open the database with the RESETLOGS option.  Back up the database.  Case 3: Shut down the database  Restore the data files  Open the database  Perform recovery to the current point in time.  Which case has the correct steps for an incomplete recovery?()Aonly case 1Bonly case 2Conly case 3Dcase 1 and 2Ecase 2 and 3Fcase 1 and 3Gall cases: case 1, case 2 and case 3

单选题
Consider the recovery steps in each of the cases given below:  Case 1:  Shut down the database and perform a backup.  Restore all the data files.  Mount the database.  Recover the database.  Without applying all the redo log files, open the database using the RESETLOGS option.  Back up the database.  Case 2:  Shut down the database and perform a backup.  Restore only the data files of the tablespace where user error damaged the data.  Mount the database.  Recover the database.  Open the database with the RESETLOGS option.  Back up the database.  Case 3: Shut down the database  Restore the data files  Open the database  Perform recovery to the current point in time.  Which case has the correct steps for an incomplete recovery?()
A

only case 1

B

only case 2

C

only case 3

D

case 1 and 2

E

case 2 and 3

F

case 1 and 3

G

all cases: case 1, case 2 and case 3


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