हर उस कर्मचारी का चयन करें जिसका वेतन उसके विभाग के औसत से अधिक है

कृपया नीचे दी गई क्वेरी के साथ प्रयास करें

Select * from employee a where Employee_Salary > (select avg(Employee_Salary) from 
employee b group by Department_ID having b.Department_ID = a.Department_ID)

या

Select * from employee a where Employee_Salary> (select avg(Employee_Salary) from 
employee b where b.Department_ID = a.Department_ID group by Department_ID)