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:
Explanait should matter a lottion: America being a democracy means that it has freedom, freedom of speech is very applied and citizen participation is the most important thing inn this democracy and citizen participation is a curtail thing
Answer:
Subsistemas:En otras palabras, un subsistema es un conjunto de elemento interrelacionados que, en sí mismo, es un sistema, pero a la vez es parte de un sistema superior.
Principios:Primer momento de la existencia de una cosa.
Explanation:
Lo siento, solo hice un par, hablo inglés y no sé mucho español
The answer to this question is Discretion
Block grants are given by the federal government for various type of service for the Feds. These services tend to expose a lot of sensitive information that could be dangerous if released to the wrong hand, so the grants tend to be given discretely.
