That would be Madrid.
Madrid's marathon is known as Maboma.
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:
brainly.com/question/19593791
#SPJ4
Answer:
Native American populations declined rapidly due to a lack of immunity to disease
Explanation:
At that time, many Europeans who came to American continent carried out viruses that could cause diseases such as smallpox, influenza, and measles within their body.
When they "Encountered" The native Americans, these viruses passed on to the Natives and infected them.
Because the natives have lack of immunity to disease (they never experienced diseases like that in their life) , the effect to their body is much greater compared to the Europeans. This led to large amount of death among Native Americans.
According to the strength of weak ties thesis, a person is more likely to find job connections through acquaintances.
Explanation:
Acquaintances are strictly work related connections a person has which are different from their family and friends in that they are formed by taking business dealings and professional life of a person in mind and then making connections.
These connections are often better suited when looking for jobs as a person can maintain more acquaintances and also they are all going to be in the similar industry as the person so they have a bigger chance of coming up with a good offer for them.
Answer:
agents of socialization: Agents of socialization, or institutions that can impress social norms upon an individual, include the family, religion, peer groups, economic systems, legal systems, penal systems, language, and the media.