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IGNOU UNIVERSITY MCA - I (SEM 2) JUN 2010 : Database Management Systems

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No. of Printed Pages : 4 MCS-023I MCA (Revised) Term-End Examination June, 2010 0 MCS-023 : DATABASE MANAGEMENT SYSTEMS Time : 3 hours Maximum Marks :100 (Weightage 75%) Note : Question number 1 is compulsory. Attempt any three questions from the rest. 1. (a) Define 3 NF. Justify whether the following relation satisfies 3 NF or not ? In case it does not, decompose it into relations which do satisfy 3 NF. What advantages are 2+5+1=8 gained by this decomposition ? Roll No. Name Department Year Hostel Name D1 1 H1 R1 N1 R2 1 H1 N3 D1 N4 D2 R5 N5 Di R6 N6 D3 2 2 3 4 H2 R4 D2 R3 MCS-023 N2 1 H2 H3 H4 P.T.O.

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Additional Info : Mca - I (sem 2) June 2010 Question Paper - Database Management Systems (Revised Course)
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