problem1. List two benefits and two drawbacks of the database approach

problem2. Differentiate between primary, superkey and candidate keys?

problem3. How does functional dependence differ from transitive dependence?

problem4. Define each of the following terms and, in each case, draw the symbol that would represent it in an ER diagram.

i) Weak entity

ii) Recursive relationship

iii) Foreign key

iv) Multi-valued attribute

problem5. Define each of the following terms

i) Encapsulation

ii) Inheritance

problem6. In the context of databases, how does generalisation differ from categorisation?

problem7. Describe briefly the three components of a Client/Server Architecture, and use a fully labelled diagram to show the interaction between the components.

problem8. List down the characteristics for each of the three components mentioned above.