Time: 2.30 Hrs. M.M.: 75
1. Attempt all parts— 7.5 x 2 = 15
a) What do you mean by information and data?
b) What are the various components of database management system?
3. Attempt all parts— 7.5 x 2 = 15
a) What is the difference between super key, primary key, candidate key? Explain with example.
b) What is entity, attribute, and their relationship?
4. Attempt all parts— 7.5 x 2 = 15
a) Discuss the entity integrity and referential integrity constraints.
b) What is the difference between 3NF and BCNF? Give example.