MCA MAGADH UNIVERSITY QUESTION (2015-2018) (Semester-iii) Database Management Systems 2015-2018 Full marks: 80 Time: 4 hours The questions are of equal value Answer any five questions 1. Define database. What are its characteristics? Explain the different types of database users. 2. Explain ANSI SPARC architecture of database. Define mapping and explain the mapping between the three levels of database. 3. Describe the features of Oracle as an RDBMS package. 4. Explain the notational conventions used in the E-R model. Construct and E-R model for student administration system. Students who apply for a course are registered in the system. short listed candidates
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