A Field ____ Uniquely Identifies Each Column in a Data

question 67

Multiple Choice

A field ____ uniquely identifies each column in a data source.

• A)index
• B)key
• C)name
• D)leader

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Definitions:

Competitive Industry

An industry in which numerous producers supply a homogeneous product or service, leading to competition over price and quality.

Marginal Cost

The extra expenditure needed to manufacture one more unit of a good or service.

Average Cost

The total cost of production divided by the quantity of output produced; it's a measure of how much it costs, on average, to produce one unit of output.

Deadweight Loss

A situation in economics where the total of consumer and producer surplus is not maximized due to factors like taxes or subsidies.