What will the following SQL query return? SELECT AVG(salary) AS average_salary FROM employees WHERE department_id IN (SELECT department_id FROM departments WHERE department_name = 'IT');Select one:a. The number of employees in the IT department.b. The total salary of employees in the IT department.c. The highest salary of employees in the IT department.d. The average salary of employees in the IT department.

Question 11What does this code do?12345678SELECT e.employee_id, e.first_name, e.last_name, e.salaryFROM employees eWHERE e.salary > (  SELECT AVG(salary)  FROM employees  WHERE department_id = e.department_id); 1 pointIt finds employees who earn more than the average salary in their department.It calculates the average salary for all employees.It groups employees by department.It joins the employees table with itself.

What will be the output of the following SQL statement: "SELECT COUNT(*) FROM Employees WHERE Salary > 50000"?It will return the total salary paid to the employees who earn more than 50000It will return the average salary of the employees who earn more than 50000It will return the number of employees who earn more than 50000None of the above

Consider the table Employee given below: EmpId EmpName Salary DeptId200 Alex 30000 100201 Tom 20000 101202 Dick 40000 100202 Harry 15000 102205 Mary 50000 101206 Karl 40000 101SELECT EmpName FROM Employee WHERE Salary > ALL (SELECT Salary FROM Employee WHERE DeptId = 100);What will be the outcome of the query given above?

To display the names of employees who earns more than the average salary of allemployees.SELECT last_name, first_nameFROMemployeeWHEREsalary > AVG(salary);Which change should you make to achieve the desired results?Select one:a.Use a subquery in the WHERE clause to compare the average salary value.b.Change the function in the WHERE clause.c.Move the function to the SELECT clause and add a GROUP BY clause.d.Move the function to the SELECT clause and add a GROUP BY clause and a HAVING clause.

Raj, a Database Administrator, needs to display the average pay of workersfrom those departments which have more than five employees. He isexperiencing a problem while running the following query:SELECT DEPT, AVG(SAL) FROM EMP WHERE COUNT(*) > 5GROUP BY DEPT;Which of the following is a correct query to perform the given task?i. SELECT DEPT, AVG(SAL) FROM EMP WHERE COUNT(*) > 5GROUP BY DEPT;ii. SELECT DEPT, AVG(SAL) FROM EMP HAVING COUNT(*) >5 GROUP BY DEPT;iii. SELECT DEPT, AVG(SAL) FROM EMP GROUP BY DEPTWHERE COUNT(*) > 5;iv. SELECT DEPT, AVG(SAL) FROM EMP GROUP BY DEPTHAVING COUNT(*) > 5;