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For each attribute of a relation, there is a set of permitted values, called the ________ of that attribute.

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For each attribute of a relation, there is a set of permitted values, called the ________ of that attribute.

(a) Domain

(b) Relation

(c) Set

(d) Schema

I got this question by my school principal while I was bunking the class.

Origin of the question is Relational Database and Database Schema topic in chapter The Relational Model of Database Management

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The correct answer is (a) Domain

For explanation: The values of the attribute should be present in the domain. Domain is a set of values permitted.

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