1.  What is database?

2.  What is DBMS?

3.  What is a Database system?

4.  What are the advantages of DBMS?

5.  What are the disadvantage in File Processing System?

6.  Describe the three levels of data abstraction?

7.  Define the "integrity rules"?

8.  What is extension and intension?

9.  What is System R? What are its two major subsystems?

10.  How is the data structure of System R different from the relational structure?