A string variables??? I'm not sure does this have any multiple choice
A. (pie chart) - correct answer
Answer:
Random Sampling
Explanation:
Random Sampling technique is being used in the given scenario.
A partial dependency exists.
We have two types of dependency. The partial dependency and the transitive dependency.
The answer here is partial dependency. It occurs when the attribute only depends on some parts of the element. In such attribute, the primary key is the determinant.
It can be shown as;
XY→WZ , X→W and XY is the primary key or the only candidate key
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