... 22 Activity 5. 1: Identifying Keys in the Logical Model Exercise 1: Identifying Keys In this exercise, you will identify primary, foreign, and composite keys for a ... line under the attributes used to define the composite key, and then label their types as Primary or Foreign. Next, you will discuss your answers with the class. Activity 5. 1: Identifying ... In this activity, you will identify primary, foreign, and (if necessary) composite keys in the logical data model for Ferguson and Bardell, Inc. Objectives After completing this activity, ...