1)  describe why you would choose the database system in place of simply storing data within the operating system files? describe when would it make sense not to use the database system?

2) Describe the different relational algebra operations. describe what are the General Transformation Rules for the Relational Algebra Operations?

3) Describe about the security, authorization and security in the SQL.

4) Describe the domain and tuple relational calculus. describe in detail.

5) describe how the Relational Calculus is different from the Relational Algebra?

6) Describe what do understand by the TRC queries and the DRC queries?

7)  describe what is meant by the normalization? Describe the first, second and third normal forms with the help of an ex, describeing the benefits of the normalization.

8) Describe about the Armstrong rules on functional dependency and prepare down the algorithm for computing the functional dependency closure.

9) prepare differences between the network and hierarchical model. Describe it with the help of an ex?

10) Specify and describe about the Object Oriented Data Model in detail.