Question: QUESTION 3 The dimensional model below (star schema) describes parts of a sales transactions data mart that belong to a retail store. Based on this

QUESTION 3 The dimensional model below (star schema) describes parts of

QUESTION 3 The dimensional model below (star schema) describes parts of a sales transactions data mart that belong to a retail store. Based on this model, answer the following questions: 1. What are the two key components in this dimensional model? (5pts) 2. What type of grain is declared in this model? Support your answer with a brief justification. (10pts) 3. Identify a surrogate key and a naturalative key from the schema. Briefly define a surrogate key and list three benefits. (15pts) For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac)

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