Like a Primary Key,a Foreign Key Must Be Unique

question 4

True/False

Like a primary key,a foreign key must be unique.

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Definitions:

Opportunity Costs

The cost of forgoing the next best alternative when making a decision or choosing between options.

Production Possibilities Frontier (PPF)

A curve depicting the maximum output possibilities for two goods, given a set of inputs and technology, illustrating the trade-offs in production choices.

Legal Reform

The process of examining existing laws and making modifications or amendments to improve justice or efficiency.

Productivity

A measure of the efficiency of production, often evaluated as the ratio of output to inputs in the manufacturing process.