Management at Cloud Kicks wants to engage customers who have redeemed promotion codes on its...

To allow more than one record per subscriber key, especially for customers who have redeemed more than one promotion code, the associate should assign the promotion code field as a second primary key. This creates a composite primary key consisting of the Subscriber Key and the Promotion Code field. With this configuration, each record is uniquely identified by the combination of the subscriber key and the promotion code, allowing multiple records for the same subscriber as long as the promotion codes are different.