Your database operates in ARCHIVELOG mode and all the tablespaces are online. Due to a user error, you decided to perform an incomplete recovery.  Which two tasks would you be required to perform in the recovery process? ()
A:open the database with the RESETLOGS option
B:open the database with the RESTRICTED option
C:recover all the data files to the same system change number (SCN)
D:recover to the required SCN only that data file in which the error occurred
出自:Oracle认证