1. In a data warehouse star schema, the relationships between the dimension tables and the fact tables are designed to
a. Conserve storage space
b. Maximize query performance
c. Represent how business in being conducted in the organization
d. All the above
2. A database management systems functionalities include the following, EXCEPT
A. Interaction with the application software for the purpose of retrieving data
B. Interaction with the user for the purpose of retrieving data
C. Interaction with the application software for the purpose of updating data
D. Interaction with the database administrator for the purpose of creating new data
E. All the above
3. Which of the following models can predict demand for French Fries (in lbs) in each location of a national restaurant chain
A. Decision tree
B. Neutral network
C. Regression analysis
D. None of the above