Tuesday, June 14, 2016

Advanced databases - BE-CSE - Pune University Questions April May 2014

Pune University BE(CSE) Question Papers May June 2014 - 2008 Pattern / Previous year BE(Computer Science Engineering) question papers of Pune University / BE CSE Advanced Databases Question Paper / Pune University Questions with Answers

B. E. (CSE) Examination - 2014
(2008 Pattern)
[Time : 3 Hours]                                                                [Max. Marks : 100]
[Total No. of Questions : 12]                                     [Total No. of Printed Pages :3]
Instructions :
(1) Answers to the section should be written in separate books
(2) Neat diagrams must be drawn wherever necessary.
(3) Assume suitable data, if necessary.
(4) Section I :Q1or Q2, Q3 or Q4, Q5 or Q6
(5) Section II: Q7 or Q8, Q9 or Q10, Q11 or Q12

Q1) a) Compare the Round-robin and Range partitioning Techniques. [8]
b) Explain Fragment and Replicate Join. [8]
Q2) a) What is meant by Skew? Explain the different ways of handling Skew. [10]
b) What is the difference between interquery and intraquery parallelism? [6]

Q3) a) If we are to ensure atomicity , all sites in which a transaction T is executed must agree on the final outcome of the execution .T must either commit at all sites or it must abort at all sites. Describe the Protocol used to ensure this property. [8]
b) Explain in detail Replication with respect to Distributed Databases. [10]
Q4) a) Remote backup systems and replication in Distributed Databases are two alternative approaches for providing high availability. Explain the difference between them. [6]
b) How Deadlock handling is done in Distributed Databases? Explain. [12]

Q5) a) How XML data is stored in Relational Databases? Explain. [8]
b) Explain in detail XML schema. [8]
Q6) a) Explain in detail XQuery. [10]
b) Write short note on: XML applications. [6]

Q7) a) In real world data, tuples with missing values for some attributes is a common occurrence. Describe various methods for handling this problem. [10]
b) Explain with suitable example any two operations on multidimensional data. [6]
Q8) a) Explain the following with respect to data preprocessing      [6]
i) Data reduction ii) Data Decretization
b) Explain different conceptual schemas design for data warehouse with suitable example. [10]

Q9) a) Explain classification and prediction with suitable example. [8]
b) Explain outlier analysis. [8]
Q10) a) How are decision trees used for classification? Explain with example. [8]
b) State and explain apriori algorithm. [8]

Q11) a) Define Information retrieval System. How it is different from Database system? [6]
b) Explain the following terms             [12]
i)Web Crawlers ii) Vector space model iii) Synonyms iv) Proximity
Q12) a) How to measure retrieval effectiveness? [6]
b) Explain the following terms             [12]
i) Page Rank ii) Full text retrieval iii) Ontologies iv) Homonyms


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