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Find the Join of the 3 -Ary Relation

question 47

Essay

Find the join of the 3 -ary relation
{ (Wages,MS410,N507 ),(Rosen, CS540,N525), (Michaels, CS518,N504), (Michaels,MS410,N510)}
and the 4 -ary relation
{(MS410,N507,Monday, 6: 00),(MS410,N507,Wednesday, 6: 00),(CS540,N525, Monday,7:30),
(CS518,N504,Tuesday,6:00), (CS518,N504,Thursday,6:00) }
with respect to the last two fields of the first relation and the first two fields of the second relation.


Definitions:

Head of Household Status

A tax filing status available to unmarried taxpayers who provide more than half of the support for a qualifying dependent and meet other specific IRS criteria.

Earned Wages

Compensation received from employment, including salaries, wages, tips, and other forms of payment for services rendered.

Standard Deduction

A fixed amount deducted from income before income tax is applied, reducing taxable income and available to all taxpayers who do not itemize deductions.

Married Filing Jointly

A tax filing status for married couples that allows them to file one tax return jointly, combining their incomes and deductions.

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