Database-Management-System
August 29, 2024Database-Management-System
August 29, 2024Database-Management-System
| Question 382 |
A ____ of a relation is a set of one or more attributes whose values are guaranteed to identify tuples in the relation uniquely.
| Foreign key | |
| Super key
| |
| Scheme | |
| key
|
Question 382 Explanation:
Superkey is the superset of the candidate keys or keys having one or more attributes whose values are guaranteed to identify tuples in the relation uniquely.
Correct Answer: B
Question 382 Explanation:
Superkey is the superset of the candidate keys or keys having one or more attributes whose values are guaranteed to identify tuples in the relation uniquely.