6. What is a relational database? A database structured to recognize relations among stored items of information. 7. Describe the shorthand representation of the structure of a relational database. Illustrate this technique by representing the database for Colonial Adventure Tours as shown in Figures 1-4 through 1-8 in Chapter 1. 8. How do you qualify the name of a field, and when do you need to do this? 9. What does it mean for a column to be functionally dependent on another column