Question

A(n) _____ exists when there are functional dependencies such that XY is functionally dependent on WZ, X is functionally dependent on W, and XY is the primary key. partial dependency transitive dependency atomic attribute repeating group

Answer 1

Answer:

Partial dependency

Explanation:

Answer 2

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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