( ) have the maximum level of privileges and can control other users and their access to the DBMS
A. End users
B. Database administrators
C. Normal user
D. Application programs
In a database, ( ) is a separate entity from the software that accesses it.
A. hardware
B. software
C. data
D. users
The ( ) is the physical computer system that allows access to data.
A. hardware
B. software
C. data
D. users
A distributed database can be classified either as a [填空1] distributed database or as a [填空2] distributed database. Of the two databases, [填空3] is more secure than the other one.