With these types of question, you can score 60- 70 marks in this subject. But if you want to score more please solve more numericals..
1. What is database management system and structure of DBMS? 2. Data abstraction and levels of data abstraction. 3. What is key and concept of: – Super key – Candidate key – Primary key – Foreign key
4. ER diagram 5. UML, DML and DDL 4. Give example for one to one and one to many relationships. 5. Difference between Generalization, Specialization and Aggregation.
1. Relational model 2. Relational algebra with numericals 3. Define join. Explain different types of join. 4. SQL 5. Triggers 6. Explain 1NF, 2NF, 3NF and BCNF with suitable example.
8. Explain embedded SQL and dynamic SQL in detail. 9. referential integrity and entity integrity constraints.
3. Consider the universal relational schema R (A, B, C, D, E, F, G, H, I, J) and a set of following functional dependencies. F = {AB C, A DE, B F, F GH, D IJ} determine the keys for R ? Decompose R into 2nd normal form..
1. Transaction 2. ACID properties of transaction [V Imp] 3. What is serializability ? Why serializability is required ? 4. What is schedule ? 5. Explain log based recovery.
7. Deadlock prevention schemes. 8. Data fragmentation with types. 9. What is concurrency control ? 10. Explain different types of recovery techniques. Give its advantages and disadvantages.
1. Explain two phase locking protocol with suitable example. 2. Phantom phenomena. 3. Multiple granularities 4. RDBMS