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.
Season 2 of Married at First Sight premieres on A&E on Tuesday, sp one would presume the couples from Season 1 (which aired on A&E Networks' FYI channel) achieved some success in their marriages before the show embarked on another season. (But hey â that hasn't stopped The Bachelor franchise).