Q1. Illustrate the meaning of physical and logical data independence?
Q2. describe the method how redundancy is controlled in the DBMS?
Q3. List all the four significant differences between the file-processing system and DBMS.
Q4. What are the various categories of the data models?
Q5. Distinguish between the term DDL and DML.
Q6. What are the respective constraints on generalization and specialization?
Q7. Illustrate the concept of primary and foreign key constraints. Why are primary and foreign keys employed?