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TAMIL NADU OPEN UNIVERSITY MCA - III (SEM 5) JAN 2009 : Relational Database Management Systems

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Wk 13 MCA 146 MCA-21 M.C.A. DEGREE EXAMINATION JANUARY, 2009. Fifth Semester/Third Year RELATIONAL DATABASE MANAGEMENT SYSTEMS Time : 3 hours Maximum marks : 75 Answer for 5 marks questions should not exceed 2 pages. Answer for 10 marks questions should not exceed 5 pages. PART A (5 5 = 25 marks) Answer any FIVE questions. 1. With relevant example explain the following Integrity Constraints: (a) Entity integrity (b) Referential Integrity. 2. Discuss the purpose of COMMIT, SAVEPOINT and ROLLBACK.

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Additional Info : Mca - III (sem 5) January 2009 Question Paper - Relational Database Management Systems
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