Which of the following is a characteristic of a data mart? O It addresses a specific component or functional area of the business O Its a collection of data that is bigger than a data warehouse. O It allows direct updates via user input rather than through the ETL process O It provides data to the data warehouse. Question 2 In a star schema, which of the following statements is true? O The fact table and the dimension tables are always normalized. O Neither the fact table nor the dimension tables are normalized. O The fact table is always normalized but the dimension tables may not be normalized. O The fact table is not normalized but the dimension tables are always normalized