A(n) ____ Is One Where Multiple Keys Are Needed to Identify

question 25

Multiple Choice

A(n) ____ is one where multiple keys are needed to identify a tuple uniquely.

• A) unique primary key
• B) discrete primary key
• C) foreign primary key
• D) composite primary key

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Definitions:

Tax Burden

The measure of the total amount of taxes that an individual or business must pay, expressed as a percentage of income or profits.

Average Tax Rate

The proportion of the total tax paid to the total taxable income, calculated by dividing the total tax amount by the taxable income.

Marginal Tax Rate

The percentage of tax applied to your income for each tax bracket in which you qualify, essentially the rate at which your last dollar of income is taxed.

Taxable Income

Taxable income is the amount of an individual's or business's income used to calculate how much tax they owe to the government in a given tax year, after all deductions and exemptions.