Example of a superkey. Suppose we have a table that holds all the managers in a company, and that table is called Managers. The table has columns called ManagerID, Name, Title, and DepartmentID. Every manager has his/her own ManagerID, so that value is always unique in each and every row.
Channel 583 (HD) Channel 83 (SD) Fox Sports 1 (FS1) is an American sports-oriented cable and satellite television channel that is owned by the Fox Sports Media Group, a unit of the Fox Entertainment Group division of 21st Century Fox.
With only Comcast as the sole major distributor with a current agreement with Fox Sports 1, Fox Sports 2 will be available to those that already have Fuel TV. According to SNL Kagan, distributors will pay 15 cents per subscriber for FS2 which is about the same for Fuel TV.