This is an example of an intrinsic reward.
Intrinsic rewards are internal - they refer to feelings of accomplishment, of success, of pride, and are intangible, meaning that you cannot touch them. On the other hand, extrinsic rewards are actual objects that you receive as a reward for something you did.
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:
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1. B or D ( I think d)
2.
3. C
4. I believe A
5. B
8. C
9. B
Some of the Questions were cut off.
Answer:
A
Explanation:
I had the same question back in 6th grade
