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11-30-2011, 05:35 PM
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cs614 midterm papers
5-12-2010 cs614 mid term paper
1. What is the effect of space requirement on ROLAP? 5 2. After completing the transformation task, data loading activity is started. How many types of data loading strategies are and when each type of strategy is adopted? Explain. 5 3. Define additive and non-additive facts. 3 4. What dow we mean by subjective and objective data quality assessments. 3 5. Cleansing can be break down in how many steps? Write down the names of steps. 2 6. Why aggregation is one way? Describe with suitable example. 
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