You are creating a SQL Server Master Data Services (MDS) mode). This model is used to store a master list of products. An attribute must be added to the Product entity to define the sales manager…

You are creating a SQL Server Master Data Services (MDS) mode). This model is used to store a master list of products. An attribute must be added to the Product entity to define the sales manager responsible for each product. You need to create an attribute in the Product entity that prevents users from entering invalid sales manager values. Which type of attribute should you create?