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Database Management Review Questions Chapter 2Ryan Scot1. What is a relation? 2. What is a relational database? 3. What is an unnormalized relation? Is it a relation according to the definition of the wordrelation? 4. How is the term attribute used in the relational model? What is a more common name forattribute? 5. Describe the shorthand representation of the structure of a relational database. Illustratethis technique by representing the database for Colonial Adventure Tours shown in Figures 1-15 through 1-19 in Chapter 1. In the short-hand representation, each table is listed, and after each table, all the columns of the table are listed in parentheses. Primary keys are underlined. The short-hand representation