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
Well 4.3x3= 12.9
And 45x3= 135
So ones a decimal and ones not
Answer:
The correct answer is: 1) Information-processing, 2) Stage.
Explanation:
An information-processing approach is an approach to the study of cognitive processing which proposes that humans are not passive subjects in information processing, thus they not only respond to environmental stimuli but rather they process the information they receive.
The information-processing approach explains how the brain encods, stores and retrieves information.
The stage approach explains the development of cognitive abilities in the sense that the development occurs in distinct and separate stages, and levels of cognitions are reached in said different stages.
