Consider the ER model on page 70 (Figure 3-19).

Q1: Examine the model. What does the model tell you about the 
    operation of Jefferson Dance club.
    Note: If necessary assume the following relationship names:
          GROUP-LESSON consists-of CUSTOMER
          CUSTOMER takes PRIVATE-LESSON
          TEACHER teaches PRIVATE-LESSON
          TEACHER leads GROUP-LESSON
          TEACHER attends DANCE
    

Q2: The following attributes have been proposed for the ER model.
    Given these attributes, derive a relational database schema
    from the model.
    CUSTOMER: SSN, FirstName, LastName, Age, Street, City, State,
              Zip, Phone#
    TEACHER: SSN, FirstName, LastName, Street, City, State,
             Zip, Phone#, DanceStyle, Title
             FULL-TIME: TenureStatus, Salary 
             PART-TIME: PayRate
    DANCE: DanceID, Date, Time, DanceTitle, AdmissionFee
    GROUP-LESSON: GroupID, Day, Time, DanceStyle, Fee
    PRIVATE-LESSON: PrivateID, Day, Time, DanceStyle
    attends: Role
    takes: Fee