The perform returns the primary and previous name of the provided BusinessEntityID and the Call variety for that man or woman. The CASE expression from the Established assertion decides the worth to display for the column ContactType depending on the existence of the BusinessEntityID column in the Employee, Vendor, or https://israelyrkbw.vidublog.com/34824928/pay-someome-to-do-case-study-no-further-a-mystery