The functionality returns the primary and final name of the given BusinessEntityID and also the Call variety for that person. The CASE expression during the SET statement determines the value to display for that column ContactType dependant on the existence in the BusinessEntityID column in the worker, Seller, or Purchaser https://casehelp84836.alltdesign.com/the-2-minute-rule-for-hbr-case-studies-54854193