Explain the Similarities and Differences Between the UNIQUE and PRIMARY

question 23

Essay

Explain the similarities and differences between the UNIQUE and PRIMARY KEY constraints.​

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Definitions:

Fixed Costs

Business expenses that remain constant regardless of the level of production or sales, such as rent, salaries, and insurance premiums.

Variable Costs

Expenses that change in proportion to the level of production or sales volume, such as raw materials or direct labor costs.

Profit

The financial gain obtained when the revenues generated from business activities exceed the expenses, costs, and taxes involved in sustaining the activities.

Fixed Costs

Expenses that do not change with the level of goods or services produced by a business, such as rent, salaries, and insurance.