Question
A chain of supermarkets in Ethiopia called Chuchu Super Market decided to develop a data warehouse to better plan decisions about their sales and different
A chain of supermarkets in Ethiopia called Chuchu Super Market decided to develop a data warehouse to better plan decisions about their sales and different promotion schemes. Chuchu Super Market puts some of their products on promotions. There are many different types of promotions like coupon sales, winter sale, buy-two-get-one-free, etc. Chuchu Super Market would like to analyze how item sale is affected by the promotions. What are the possible business questions that the managers of Chuchu Super Market would like to answer? What is the business process that Chuchu Super Market should model to answer their business questions? Decide on the granularity. Draw a simple star schema identifying fact, measures, and dimensions and their attributes, primary key and foreign key relationships. Of which type are the fact and measures?
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