Q. The subset of super key is a candidate key under what condition ? (Solved)
1. No proper subset is a super key
2. All subsets are super keys
3. Subset is a super key
4. Each subset is a super key
- c. Subset is a super key
1. No proper subset is a super key
2. All subsets are super keys
3. Subset is a super key
4. Each subset is a super key