Relational-Algebra
August 29, 2024Database-Management-System
August 29, 2024Functional-Dependency
| Question 19 |
Functional dependencies are a generalization of
| Key dependencies | |
| Relation dependencies
| |
| Database dependencies | |
| None of these |
Question 19 Explanation:
A functional dependency is a generalization of the notion of a key. It requires the value for a certain set of attributes determines uniquely the value for another set of attributes.
Correct Answer: A
Question 19 Explanation:
A functional dependency is a generalization of the notion of a key. It requires the value for a certain set of attributes determines uniquely the value for another set of attributes.