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CS614 VU Current Midterm Fall 2012 Paper 9 December 2012

all the MCQs were new expect 2 of them were from past papers.

Exact wording in not ensured:

1. Benefits of CDC in modern systems? 2

2. List 4 techniques of handling “Multi-Dimensions”? 2

3. In MOLAP, the aggregates are large, but is it possible that some aggregates have null value, give example to justify? 3

4. 5th Orr’s law ? 3

Justify your answer as TRUE or FALSE:

1. STDDEV is a distributive aggregate? 2.5

2. The data that is not used is correct? 2.5

 

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