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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Stratus clouds are low clouds with a uniform layered base that are formed by rising thermals.
The growth of civilization most clearly traced is farming
Answer:
parliamentary democracy
Explanation:
parliamentary democracy is a system of government in which citizens elect representatives to a legislative parliament to make the necessary laws and decisions for the country. This parliament directly represents the people.
The Constitution is the foundation of our government and the framework of our governmental system.