3. Write a query to display the Full Name" ( by combining the first name and last Name), salary and the first two letters of first name and length of last name together in the column "Access code of all employees, whose first name start with a letter "J". Display the result by which the salary is arranged in descending order. Use the table Employees. A [3 Marks] 6. Use Employees table to display the department id and highest salary with the column name "Highest Salary" for each department, whose lowest salary is less than or equal to 8000. Arrange the data based on the highest salary from lowest to highest. 13 Marks]