Answer: (E) CRM databases
Explanation:
The CRM is stand for the customer relationship management and the CRM databases collect all the important information of the customer so that it can be used for identifying the main best customer.
The CRM database also help for maintaining the customer relationship by using the essential data from the database system.
By using the CRM database we can analyzes the CRM program and we include various types of information in the CRM database that are:
Therefore, Option (E) is correct.