In Recent Years Many Businesses Have Formed a Common Information

In recent years many businesses have formed a common information source within their business organization called a database.One of the advantages of building databases is the simultaneous updating of files with common data elements.Another major advantage of the database concept is that:

A) Database systems can be used in microcomputers as well as on large computers
B) Database systems are simple to install and maintain
C) Database systems are generally less expensive than separate file systems
D) More duplication of data occurs with a database system
E) Fewer skilled people are required to run a database system than another system