CodeRankGPT -
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In a scenario where we have a database of students, their friends, and their respective salaries, we might want to find out which students have friends who earn more than they do. This could be useful for various analyses, such as understanding social dynamics or studying the impact of income disparity within social circles.
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The SQL query achieves this by joining the 'Students', 'Friends', and 'Packages' tables based on their IDs. It then filters the results to only include rows where the friend's salary (fp.Salary) is greater than the student's salary (p.Salary). The results are ordered by the friend's salary in ascending order.
Select S.Name
from Students S inner join Friends f
on S.ID = f.ID
inner join Packages p
on f.ID = p.ID
inner join Packages fp
on f.Friend_ID = fp.ID
where fp.Salary > p.Salary
order by fp.Salary;
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