Answer:
<em>It was used as the Germans' firstline of defence. I guess it was to drive the people away during World War 1 in 1987.</em>
:)
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.
learn more about entity integrity, here:
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I have to post an answer to see the comments.
The goals were to establish governments for their new territories gained after the war to encourage peace between colonists and remaining Indians tribes and to keep colonists confined to the coasts for purposes of easier taxation and trade with the mother country.
Answer:
The higher interest rates attract foreign capital and cause the exchange rate to rise.