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Select S.Name From ( Students S join Friends F Using(ID) join Packages P1 on S.ID=P1.ID join Packages P2 on F.Friend_ID=P2.ID) Where P2.Salary > P1.Salary Order By P2.Salary;
Select S.Name From ( Students S join Friends F Using(ID) join Packages P1 on S.ID=P1.ID join Packages P2 on F.Friend_ID=P2.ID) Where P2.Salary > P1.Salary Order By P2.Salary;