State whether the following statements are true or false.
(i) Functional dependency is a constraint between two sets of attributes in a database.
(ii) In a database table, there is always only one candidate key.
1
(i) - False, (ii) - True
2
(i) - True, (ii) - False
3
(i) - False, (ii) - False
4
(i) - True, (ii) - True