1. A transactional database is primarily used to support .a. Day-to-day business operation b. Managerial decision making 2. A data warehouse is primarily used to support a. Day-to-day business operation b. Managerial decision making 3. A data warehouse stores historical data. 4. a. True b. False a. b. Which of the following situation demonstrates data redundancy? A customer's address is stored in the Customer File a. b. C. d. A customer's address is stored in the Customer File and the Invoice File A customer's address is stored in the Customer File and a sales agent's address is stored in the Sales Agent File None of the above 5. Redundant data stored in a transactional database may lead to data inconsistencies (different versions of the same data). a. True b. False 6. Analyzing an organization's data and identifying the relationships among the data is called a. Encapsulation b. Inheritance C. Data modeling d. Data redundancy 7. An entity in an ER model is implemented as a column attribute c. table d. domain 8. Which of the following is not an entity? a. Student b. Instructor c. Employee d. Name in a relational database? 9. Normalization reduces data redundancy in the database. True a. b. False 10. SQL is a nonprocedural language. a True b. False