Gate2020 cs Q62
- A
A cell in R holds a set instead of an atomic value.
- B
R has a non-trivial functional dependency X → A, where X is not a superkey and A is a prime attribute
- C
R has a non-trivial functional dependency X → A, where X is not a superkey and A is a non-prime attribute and X is a proper subset of some key.
- D
R has a non-trivial functional dependency X → A, where X is not a superkey and A is a non-prime attribute and X is not a proper subset of any key.
- Option : B
- Explanation : R has a nontrivial functional dependency X → A where X is not a sup and A is a prime attribute.
