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單項(xiàng)選擇題

You executed the STARTUP MOUNT command to start your database. For which database operation do you need to start the database in the MOUNT state?()

A.renaming the control files
B.dropping a user in your database
C.enabling or disabling redo log archiving
D.dropping a tablespace in your database
E.re-creating the control files, after you lost all the control files in your database

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