Relational Databases Are

question 35

Multiple Choice

Relational databases are:

• A)Two-dimensional tables which can be joined in only one way.
• B)Three-dimensional tables allowing increased data relationships.
• C)Two-dimensional tables which can be joined in many ways.
• D)Either two- or three-dimensional as defined by the user.

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Definitions:

Output

The quantity of a product or service produced within a given period by a company, sector, or economy.

Long-Run Average Total Cost Curve

A graphical representation showing how the average total cost of production varies with output level in the long run, when all inputs are variable.

Short Run

A period in economics during which at least one factor of production is fixed, limiting the ability to fully adjust to new market conditions.

Long Run

The time period in economics during which all inputs or factors of production can be adjusted or changed, contrary to the short run where some inputs are fixed.