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GATE | GATE-CS-2004 | Question 53

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The employee information in a company is stored in the relation

Employee (name, sex, salary, deptName)

Consider the following SQL query

select deptName
       from Employee
       where sex = 'M'
       group by deptName
       having avg (salary) > (select avg (salary) from Employee)

It returns the names of the department in which
(A) the average salary is more than the average salary in the company
(B) the average salary of male employees is more than the average salary of all male employees in the company
(C) the average salary of male employees is more than the average salary of employees in the same department

(D) the average salary of male employees is more than the average salary in the company


Answer: (D)

Explanation: In this SQL query, we have

select deptName ---------------  Select the department name
from Employee  ----------------  From the database of employees
where sex = 'M' ---------------  Where sex is male (M)
group by deptName -------------  Group by the name of the department
having avg (salary) >   
(select avg (salary) from Employee)  -----  Having the average salary 
                                            greater than the average salary 
                                            of all employees in the organization.

So, this query would return the name of all departments in which the average salary of male employees is greater than the average salary of all employees in the company.

Hence, D is the correct choice.

 

Please comment below if you find anything wrong in the above post.

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Last Updated : 28 Jun, 2021
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