7. Describe what the term normalization means.

8. Why is it important to define the data type of a field when designing a relational database?

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9. Name a database you interact with frequently. What would some of the field names be?

10. What is metadata?

11. Name three advantages of using a data warehouse.

12. What is data mining?

13. In your own words, explain the difference between supervised learning and unsupervised learning. Give an example of each (not from the book).