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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<span> high unemployment is the Best answer</span>
Answer:
Using records of flood patterns to predict future flooding is one example that is an application of the principle of uniformitarianism.
Answer: The correct answer is : (A) True
Explanation: EOC is responsible for coordinating plans and defining resource needs, for providing coordination and political direction, for collecting, analyzing and sharing information. EOCs are part of a broader multi-agency coordination system that is integral to the domestic response as requested by the NIMS.
