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Computer-Networks
October 9, 2023
Data-Structures
October 9, 2023
Computer-Networks
October 9, 2023
Data-Structures
October 9, 2023

Candidate-key

Question 4
Identify the incorrect statement(s).
A
A candidate key is minimal set of one or more attributes that, taken collectively, allows us to uniquely identify any entity in the entity set.
B
A candidate key for which no proper subset is also a candidate key is called a super key.
C
A super key is a set of one or more attributes that, taken collectively, allows us to uniquely identify any entity in the entity set.
D
A super key for which no proper subset is also a super key is called a candidate key.
Correct Answer: B
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