Placements Hackerrank Solution SQL | Hackerrank SQL

 Placements Hackerrank Solution SQL

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Code :

SELECT NAME FROM STUDENTS S,FRIENDS F,PACKAGES P1,PACKAGES P2 WHERE

S.ID=F.ID AND S.ID=P1.ID AND F.FRIEND_ID=P2.ID AND P1.SALARY < P2.SALARY

ORDER BY P2.SALARY;