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Q1: Explain the schemas which are used in a data warehouse design with suitable examples. Which schema design is more popular? Draw a schema design for a university admission system. Consider appropriate dimensions and fact table as required.
Q2: How can business dimensions be useful for defining requirements in a business data warehouse? in which situation jad methodology may be useful for collecting requirements?
Q3: Compare rolap with molap servers. Which one do you consider more appropriate for data warehouse applications and why?
Q4: Develop an algorithm for classification using decision trees. illustrate the algorithm with a relevant example.