B.C.A. (Three Year) DEGREE EXAMINATION, OCTOBER 2018.
End- Semester Examination
Fifth Semester
(Regular/ Supplementary)
Elective I DATA MINING AND WAREHOUSING
2 C 5504
Time 3 Hours Max. Marks 70
SECTION — A
Answer any FIVE of the following questions. 4 20 Marks)
1. Explain about Data Mining functionalities.
2. Discuss the structure of physical data warehouse.
3. Explain the characteristics of data warehouse.
4. Explain the components of data warehouse.
5. Explain about prediction.
6. Explain about the Spatial Data.
7. What is Time Series Data?
8. Explain about Applications about cluster Analysis.
SECTION — B
Answer ALL questions. 10 50 Marks)
9. Explain about cleaning and integration in data processing.
Or
What is Data warehouse? Explain why it is needed and its uses.
10. Explain Data warehousing Design methodologies.
Or
Explain about Logical Data Modelling and OLAP.
11. Describe about Multi dimentional Data and Distributed Data.
Or
Explain about Relational Data and Transactional Data.

12. Explain about decision tree induction.
Or
What is classification? Explain the issues regarding classification.
13. Discuss about OLAP.
Or
Explain partitioning and Hierarchical methods.
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