The entity integrity rule states that a primary key attribute can be null. Thus the statement is false.
<h3>What is an entity?</h3>
An entity is refer to any object that exists in reality. These entities are Independent in nature. Each row in a table should be a distinct entity, which is ensured by entity integrity.
The entity integrity rule states that a primary key attribute can not be null as it shows unique characteristics of an entity.No primary key value can be null according to the entity integrity constraint because it is needed to identify specific attribute values in relation.
Therefore, the statement is False.
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The awnser is A all the other choices make no sense trust me
Answer:
Society
Explanation:
I chose to compare and contrast the United States culture with the culture in Japan. There are a few similarities between the two, such as a love of the arts, fashion, and baseball. However, they are more culturally different than similar in very major aspects. Japan is a very homogenous society made up of about 98% ethnic Japanese.
