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單項(xiàng)選擇題
You issue this SQL statement：
ALTER DATABASE RENAME FILE ’/ORADATA/u02/user_data01.dbf’ TO
’/ORADATA/u04/user_data01.dbf’；
What does this SQL statement do？（）
A.It updates the control file with the new location of the data file.
B.It updates only the data dictionary with the new location of the data file.
C.It changes the location of the user_data01.dbf file in the operating system.
D.It changes the location of the user_data01.dbf file in the operating system and updates the control file with the new location of the data file.
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