Q1. List out any four merits of database management system over the file-processing system?
Q2. Describe the different levels of Abstraction in the DBMS?
Q3. Define the term Data Independence? describe how is it distinct from the program-data independence?
Q4. Distinguish between the primary key, candidate key, super key and the foreign key?
Q5. State the terms Domain, Key, Entity and the Referential Integrity constraint?
Q6. Describe the various types of cardinality ratios in the E-R diagram? Give some illustrations.
Q7. Define the term schedule, serial schedule, recoverable schedule and the cascade less schedule?