Problem 8 - Database

1.

Describe the redundancy in a database system.

2.

Describe how the redundancy can be controlled using the database system.

3.

Describe definitions of the first, second, third and fourth normal forms of the relational data model.

4.

Discuss connections between the normal forms of the relational data model and the redundancy described above.

See [ELM99] for a detailed answer.