1. The DBMS acts as an interface between what two components of an enterprise-class database system?

A. Database application and the database
B. Data and the database
C. The user and the database application
D. Database application and SQL

2. Which of the following products was an early implementation of the relational model developed by E.F. Codd of IBM?

A. IDMS
B. DB2
C. dBase-II
D. R:base

3. The following are components of a database except ________ .

A. user data
B. metadata
C. reports
D. indexes

4. An application where only one user accesses the database at a given time is an example of a(n) ________ .

A. single-user database application
B. multiuser database application
C. e-commerce database application
D. data mining database application

5. An on-line commercial site such as Amazon.com is an example of a(n) ________ .

A. single-user database application
B. multiuser database application
C. e-commerce database application
D. data mining database application