Which of the following are the advantages of a DBMS (database management system)?
a. Systems that interact with a DBMS are relatively dependent on how the physical data is maintained.
b. Database systems can support enterprise-wide applications more effectively than file processing systems.
c. A DBMS is scalable which makes it easier to meet the rapidly changing needs of a business enterprise.
d. Effective database administration helps ensure that standards for data names, formats, and documentation are followed uniformly throughout an organization.