Pondicherry University 2010 M.C.A Data warehosing and Mining, - Question Paper
M,CjV DEGREE EXAMINATION, NOVEMBER 2010.
MCA (E) 0
Fifth Semester
Computer Applications
DATA WAREHOUSING AND MINING
Time : Three hours Maximum : 75 marks
Answer FIVE questions, choosing ONE full from each Unit.
All questions carry equal marks.
UNIT I
1. (a) - What is data mining? Briefly describe the
components of a data mining system. (8)
(b) What kind of patterns can be identified in a data mining system? (7)
Or
2, (a) Write the differences between operational
database and data warehouse. (8)
(b) Write about the evolution of data mining systems. (7)
Briefly describe 3-tier data warehouse architecture. (15)
Or
Write short notes on :
(a) Data warehouses
(b) OLAP
(c) Testing. (3 x 5 = 15)
UNIT III
Explain Apriori algorithm with example. (15)
Or
Discuss about data cleaning and data reduction techniques with examples. (15)
UNIT IV
What is cluster analysis? Briefly discuss about types of data in cluster analysis. (15)
Or
Briefly explain advanced database applications in data mining. (15)
Describe the features of Microsofts OLE DB for Hafca mining (15)
Or
Describe the features of DBMines. IIow will you create a data cube, write the steps. (15J
MCA (E) 9
3
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