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TAMIL NADU OPEN UNIVERSITY MCA - I (SEM 1) JUN 2010 : Introduction To Database Management Systems

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MCA 755 MCA 05/ PGDCA 04 M.C.A. DEGREE/P.G.D.C.A. EXAMINATION JUNE, 2010. First Year INTRODUCTION TO DBMS Time : 3 hours PART A (5 Maximum marks : 75 5 = 25 marks) Answer any FIVE questions. 1. What are the advantages of traditional file processing system? DBMS over 2. Explain relational data model. 3. Define : (a) Super key (b) Candidate key (c) Composite primary key. 4. What is functional dependency? 5. Distinguish between orderby and groupby clause. 6. Explain the concept of generalization. 7. What are the advantages of distributed database?

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Additional Info : Mca - I (sem 1) June 2010 Question Paper - Introduction To Database Management Systems
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