PTU MCA 1st Semester Paper 2012 Relational Database Management System Punjab Technical University Exam 2012 1st Sem Relational Database Management System Test September and March Question Paper Free Download Punjab Technical University Relational Database Management System Question Papers 2012 PTU MCA 1st Semester Question Paper 2012 for all students Previous Year old Past Papers of PTU MCA 1st Sem Paper 2012 Relational Database Management System Punjab Technical University September 2012 and March 2012 Exam MCA 1st Semester Sample Model Question Papers Free Download PDF
Relational Database Management System
2. What do you understand by distributed database ? Explain its structure. What are the trade-offs in distributed database ?
3. What do you mean by key ? Explain various keys with example.
4. What do you mean by constraint ? Explain various constraints in Relational Model with example.
5. What do you mean by normalization ? Explain INF, 2NF, 3NF, BC’NF,
6. Explain the differences between relational algebra and relational calculus.
7. Write note on Object oriented database.
8. Compare Hierarchical and Network data model.
9. Trite note on Concurrency control in DBMS.
10. Explain the following terms
(a) multivariate dependency (b) intensity (c) redundancy
11. Explain various data integrity constraints available in relational model.
PTU MCA 1st Sem Paper 2012 Relational Database Management System