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CS614 Current Midterm paper Shared by Hanzla, Spring 2014

As.saIam.o.aIaikum,

My today paper of cs614

Mcqs 60% from moaaz file 8. hunain file

Subjective:

1. List down the first two steps of Basic Sorted Neighborhood method. 2 marks

2. Which cube operation changes the view of data in context of OLAP? 2 marks

3. What is "Ranking" in data source selection. Explain with an example. 3 marks

4. Dimensions have hierarchies . Consider the Geography dimension . Specify the
hierarchy in this dimension up to three levels. 3 marks

5. Consider a fact table with name of “sales" the grain of table might be stated as
“sales volume by day by day by product by store” Identify few facts (at least three) . 5
marks

6. Consider an online registration system where you want to check the accuracy of
customer's birth date . Which data quality validation technique will be used data qual-
ity project managers in this case? Briefly explain. 5 marks

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