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Question

Which type of entity has its relationship to another entity determined by an attribute in that other entity called a discriminator?

a.

Subtype entity

b.

Supertype entity

c.

Archetype entity

d.

Instance entity

Posted under DBMS

Answer: (a).Subtype entity

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Q. Which type of entity has its relationship to another entity determined by an attribute in that other entity called a discriminator?
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