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anygoal [31]
3 years ago
6

What is an entity supertype, and why is it used?

Computers and Technology
1 answer:
marissa [1.9K]3 years ago
5 0

Answer:

Correct answer is option B (The reason for using supertypes is to minimize the number of nulls and to minimize the likelihood of redundant relationships)

Explanation:

Entity supertype

A  entity supertype is a generic entity type which is related with one or more subtypes.

Use of entity supertype:

The reason for using entity supertype is to reduce redundant relationships and it is also used to minimize the number of nulls.

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