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Question $14$

A derived attribute is $q,$

a$.$ an aftribute that holds multiple values for a single component

b$.$ an attribute that holds a single value for a single entity

c$.$ an attribute that represents a value that is derivable from a related attribute or set of attributes, not necessarily in

d$.$ An attribute composed of a single component with an independent existence

e$.$ an attribute composed of multiple components each with individual existence

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