"Necessary and Proper."
This means that the government has the power they want as long as it is necessary and proper.
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:
They regulatde political parties and they controlled elections- is how military leaders prevent democracy in Brazil.
Answer:
She freed hundreds of slaves through the Underground Railroad
Explanation:
During the Civil War she was also Union Spy and help lead to the Emancipation Proclamation.
Answer:
The life around the urban areas is very fast and complicated unlike rural life where everything is calm, simple and relaxed. Urban settlement has cities and towns unlike rural areas where there settlement includes villages and hamlets. There is greater isolation from nature up in urban areas because of the existence of the built environment.
Explanation:
