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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Answer:
In response, we developed an approach we call the "five C's of historical thinking." The concepts of change over time, causality, context, complexity, and contingency, we believe, together describe the shared foundations of our discipline.
Explanation:
Answer:
federal laws are superior to state laws.
Explanation:
The Federal Government is the superior government which is why the head of the Federal Government which is the President controls all the head of the state governments known as the Governors. The Governors are answerable to him and the States form their rules from that of the Federal Government with little modifications.
The Federal law is therefore superior to the State laws and if there is any clash then the Federal law prevails.
Answer:
1- Omnivores are animals that eat both meat and greens. For example, humans we eat vegetables and meat. Or a monkey.
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