our database is in the MOUNT state and you execute the following command to open it: <br /> ALTER DATABASE OPEN <br /> What two actions are performed as a result of this command?()<p> our database is in the MOUNT state and you execute the following command to open it: <br /> ALTER DATABASE OPEN <br /> What two actions are performed as a result of this command?()</p>
A、A.All control files are opened.
B、B.All redo log files are opened
C、C.The password file is opened.
D、D.The parameter file is opened.
E、E.All online data files are opened.