Question

Identify the correct statement(s). A Candidate Key is a set of one or more attributes that, taken collectively, allows us to uniquely identify any entity in the entity set
A Candidate Key for which no proper subset is also a Candidate Key is called a Super Key
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
A Super Key for which no proper subset is also a Super Key is called a Candidate Key

Answer 1

A candidate key is a set of..... uniquely identify any entity in the set and

A super key is a set of one or more attribute....in the entity set are the correct statment

Answer 2

The correct statements are given below:

1. “A Candidate Key” is a set of one attributes or more attributes that, taken collectively, allows us to uniquely identify the database record with any record in the database set.
2. “A Super Key” for which no proper subset is also a Super Key is called a Candidate Key.  

Explanation:

“A candidate key” is a “proper subset of super key” is also called as candidate key.

“A super key” is a “proper subset of another subset” of super key and it have the same relation with the super key.