Which of the following statements regarding database management systems is not correct?

Which of the following statements regarding database management systems is not correct?
A . Database management systems handle data manipulation inside the tables, rather than it being done by the operating system itself in files.
B . The database management system acts as a layer between the application software and the operating system.
C . Applications pass on the instructions for data manipulation which are then executed by the database management system.
D . The data within the database management system can only be manipulated directly by the database management system administrator.

Answer: D