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？（）<br>A:It updates the control file with the new location of the data file. <br>B:It updates only the data dictionary with the new location of the data file. <br>C:It changes the location of the user_data01.dbf file in the operating system. <br>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.

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.

出自：Oracle认证

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