Design a relational database schema for the data described in Exercises 3.2 and 3.3.

a. Show how the entity set and its attributes would be represented on an E-R diagram. b. Describe the domain of the cost attribute, making assumptions as needed. c. Identify a superkey for the Book entity set. d. Identify all candidate keys for the entity set. e. Identify a primary key for the entity set and underline it on the E-R diagram