2. Q1: What is DBMS and explain its architecture. Q2: Explain Data Independence in detail. Q3: What is database user and explain the types of database user. Q4: What are the types of Data model and explain relational model in detail.

3. Q5: Explain the role of data administrator. Q6: Distinguish between 3NF and BCNF. Q7: Explain the types of keys and explain foreign key in detail. Q8: What is ER Model? Make ER diagram of employee.

4. Q9: What is normalization? Discuss anomalies of First and Second NF. Q10: Explain the following terms  Tuple  Attribute  Relation  Cardinality