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Which one of the following is a set of one or more attributes taken collectively to uniquely identify a record?

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in Database Management by (119k points)
Which one of the following is a set of one or more attributes taken collectively to uniquely identify a record?

(a) Candidate key

(b) Sub key

(c) Super key

(d) Foreign key

The question was posed to me in class test.

This interesting question is from Keys topic in chapter The Relational Model of Database Management

1 Answer

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Best answer
Right choice is (c) Super key

Best explanation: Super key is the superset of all the keys in a relation.

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