thanxxxOn Sat, Dec 3, 2011 at 6:05 PM, ******Hania Abad********** <mc100401821@vu.edu.pk> wrote:
Current paper of cs614 on 3 December 2011
16 MCQs
1. We use de-normalization which means redundant data. IF Duplication is in the source system what are the effects of this duplication in Analysis of Data ware house? 5 marks
2. Briefly describe the features of Dimensional Modeling? 5 marks
3. We use CDC in both legacy systems and modern systems. What are the benefits of using CDC in modern systems as compared to legacy systems? 3 Marks
4. From distributive, algebraic and holistic transformation which is used in statistical analyzer? Give answer with reason. 3 marks
5. Round robin distribution is pre- defined? Do you agreed or not. Give your answer with argument? 2 marks
6. Differentiate between MOLAP and DOLAP in terms of implementation? 2 marks
7. Differentiate b\w offline extractions and online extraction? 2 marks
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