04-25-2011, 08:41 PM
Question 1: [13 marks]
In this paper [1] hierarchical denormalization is used to optimize the performance of data warehouse design. Study the paper and prepare a summary of how the technique is used for optimization.
Question 2: [07 marks]
Compare the results of one dimensional and multidimensional queries, given in this paper [1]. Give reasons, why the response time of multidimensional queries for denormalized schema is less than that for normalized schema. Justify your answer.
In this paper [1] hierarchical denormalization is used to optimize the performance of data warehouse design. Study the paper and prepare a summary of how the technique is used for optimization.
Question 2: [07 marks]
Compare the results of one dimensional and multidimensional queries, given in this paper [1]. Give reasons, why the response time of multidimensional queries for denormalized schema is less than that for normalized schema. Justify your answer.
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