A key in a relation
May not functionally determine any attribute in the row | |
Functionally determine only one attribute in the row | |
Functionally determine at least one attribute in the row | |
Functionally determine all the attribute in the row |
May not functionally determine any attribute in the row | |
Functionally determine only one attribute in the row | |
Functionally determine at least one attribute in the row | |
Functionally determine all the attribute in the row |