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.
What is the news channel on Verizon fios? the news channel on Verizon fios is 11 and the weather channel is 21 as long as the channel is under 50 that's the news weather and drama Edit