Source Data Description - Data Mining

Figure gives the partial schema of the data mart. Two tables are shown in the figure: Customers and Purchase. The Customers table contains the customer demographic information such as age, education, gender, income, and so on. It is a dimension table. The Purchase table stores the historical transactions of the customer’s previous purchases. It is a fact table with two columns: CustomerID and Movie. Each customer has bought a set of movies. The relationship between these two tables is 1 to n.

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