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PUNJAB TECHNICAL UNIVERSITY MCA - II (SEM 3) MAY 2008 : Relational Database Management Systems - Relational Database Management Systems - I

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Roll No. ...................... Total No. of Questions : 13] [Total No. of Pages : 02 Paper ID [A0514] (Please fill this Paper ID in OMR Sheet) MCA (304) (S05) (O) (Sem. - 3rd) RELATIONAL DATABASE MANAGEMENT SYSTEM - I Time : 03 Hours Maximum Marks : 75 Instruction to Candidates: 1) Section - A is Compulsory. 2) Attempt any Nine questions from Section - B. Section - A Q1) (15 x 2 = 30) a) What is the difference between simple and composite attributes? b) Explain the difference between a weak entity and a strong entity. c) What is the difference between total and partial generalization? d) What is the significance of an E-R diagram? e) What is an object oriented database? f) What do you mean by atomic domain? g) What is multivalued dependency? h) What is relational algebra? i) What are non-procedural languages? j) What is a tuple variable? k) What is a foreign key? l) What are log records? m) What do understand by a heterogeneous distributed database? n) What is data fragmentation? o) What is log-based recovery? D-396 P.T.O.

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Additional Info : Mca - II (sem 3) May 2008 Question Paper - Relational Database Management Systems - I
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