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.
Currently, broadcasters offering coverage of these FOM-produced extra channels include Sky Sport Germany, Sky Sports F1 (UK) , Fox Sports Australia, BBC, whenever the latter is showing the race live, Sky Sport F1 (Italy) , Movistar F1 (Spain) and Play Sports (Belgium).V broadcasters all take what is known as the 'World Feed', which since 2007 has been produced by FOM (Formula One Management), for almost every round of the World Championship.