The operate returns the very first and previous title of the given BusinessEntityID as well as Make contact with kind for that individual. The CASE expression in the SET statement determines the worth to Exhibit for the column ContactType depending on the existence of the BusinessEntityID column in the Employee, https://zanderqaadv.blogsvila.com/36051275/5-simple-statements-about-can-someone-take-my-case-study-explained