Update placements.sql (#6)

Author: RaghavDabra

advanced-join/placements.sql

@@ -5,4 +5,4 @@ SELECT s.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
+ORDER BY p2.Salary;