Re: [Pak Youth] my current paper of Cs614 on 3 december 2011

Thank you .......................... haniaaaaaaaaaaa

On Sat, Dec 3, 2011 at 6:12 PM, star angel <star.angel720@gmail.com> wrote:

thnx hania sis....

On 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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