The perform returns the primary and final title of the supplied BusinessEntityID and the contact variety for that person. The CASE expression while in the SET statement establishes the value to Exhibit for that column ContactType dependant on the existence with the BusinessEntityID column in the Employee, Seller, or Buyer https://martinrpnnm.full-design.com/write-my-case-study-can-be-fun-for-anyone-78239770