Introduction to Database System

1. Define Database, Database Management System and Database System. Explain the components of DBMS with its advantages and disadvantages?

2. a) Differentiate between Traditional File Processing System and Database System?

b) Define the term DBA. Explain the various Roles of Database Administrator?

3. . a)Explain the term data independence.Also explain physical and logical data independence by giving example.

b) Define Schema and Subschema? What do you understand by different types of Mapping?

4. Explain the three Schema Architecture of a Database System with Block Diagram?

5. What do you mean by E-R Model with its properties ? Make E-R Diagram of Airline System?

6 a)Explain the difference between entity, entity type and entity set?

b) Describe the difference between Client/Server architecture and tradition DBMS architecture.

7. a) Discuss the evolution of RDBMS ? Explain the difference between DBMS and RDBMS?

b) Write a note on Views?

8 What is difference between:

a) Super Key and Candidate Key

b) Primary Key and Foreign Key

c) Alternate Key and Composite Key

9. Explain the following terms with suitable examples:

a)Domain Constraints

b) Key Constraints

c) Entity-Integrity Constraints

d) Referential Integrity Constraint

10.What is Data model ? Explain Model based on 1:M Association and explain its problem and Solution?