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2003 Course Advanced Databases (Elective I)

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Total No. of Questions :12] [Total No. of Pages : 3 P1377 [3764]-416 B.E. (Computer Engineering) ADVANCED DATABASES (2003 Course) (410445) (Elective - I) Time :3 Hours] [Max. Marks : 100 Instructions to the candidates: 1) Answers to the two sections should be written in separate books. 2) Neat diagrams must be drawn wherever necessary. 3) Figures to the right indicate full marks. 4) Assume suitable data, if necessary. SECTION - I Q1) a) b) Explain any two partitioning techniques with respect to parallel database system in detail. [8] Explain the following with respect to parallel database system. i) Intraoperation and interoperation parallelism. ii) [8] Fragment - and - Replicate join. OR Q2) a) b) Explain interquery and intraquery parallelism. Explain the following with respect to parallel database system. i) Range Partitioning sort. ii) Q3) a) [8] [8] Skew. Describe and compare homogenous and heterogenous databases with respect to distributed databases. [4] b) Explain deadlock handling with respect to distributed databases. [6] c) What is the major disadvantage of the Two phase commit protocol in distributed databases? How it is overcome in Three phase commit [8] protocol? OR P.T.O.

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