A super key for an entity consists of:
2008
A super key for an entity consists of:
- A.
one attribute only
- B.
at least two attributes
- C.
at most two attributes
- D.
one or more attributes
Attempted by 408 students.
Show answer & explanation
Correct answer: D
A super key for an entity consists of a set of one or more attributes that uniquely identify each tuple in the relation. It is a superset of a candidate key, meaning it may contain additional attributes beyond those required for unique identification.
A video solution is available for this question — log in and enroll to watch it.