QuestionJune 5, 2025

An optional attribute is an attribute that have no value for at least one entity instance already defined. True False

An optional attribute is an attribute that have no value for at least one entity instance already defined. True False
An optional attribute is an attribute that have no value for at least one entity instance already defined.
True
False

Solution
3.8(184 votes)

Answer

True Explanation 1. Define Optional Attribute An optional attribute is one that can be left empty or null for some instances of an entity. 2. Evaluate Statement The statement correctly describes an optional attribute as having no value for at least one entity instance.

Explanation

1. Define Optional Attribute<br /> An optional attribute is one that can be left empty or null for some instances of an entity.<br />2. Evaluate Statement<br /> The statement correctly describes an optional attribute as having no value for at least one entity instance.
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