A Company Makes Four Kinds of Products Find Which of the Three Codes Is a Primary Key

question 58

Short Answer

A company makes four kinds of products. Each product has a size code, a weight code, and a shape code.
The following table shows these codes: $$\begin{array} { c c c c } & \text { Size Code } & \text { Weight Code } & \text { Shape Code } \\\# 1 & 42 & 27 & 42 \\\# 2 & 27 & 38 & 13 \\\# 3 & 13 & 12 & 27 \\\# 4 & 42 & 38 & 38\end{array}$$ Find which of the three codes is a primary key. If none of the three codes is a primary key, explain why.

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Definitions:

Self-Organization

The ability of a system, especially a living organism, to regulate and maintain its structure and function without external guidance.

Living Systems

The concept that organisms and their environmental systems are interconnected, dynamic, and complex, maintaining life through continuous exchange and adaptation.

Complexity

A measure of how many parts or features within a system interact and the unpredictability of their interactions.

Organization

A structured group of individuals working together to achieve specific goals or objectives through coordinated activities.