What kind of attribute is assigned to an attribute when no other value applies or when a value is unknown?
A)single-valued attribute
B)multivalued attribute
C)derived attribute
D)null-valued attribute

Name: What kind of attribute is assigned to an attribute when no other value applies or when a value is unknown? A)single-valued attribute B)multivalued attribute C)derived attribute D)null-valued attribute
Brand: Quizplus
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Question

Quizplus · Accepted Answer

This is the definition of a null-valued attribute.

What Kind of Attribute Is Assigned to an Attribute When