7. Write a query to display the name (first_name, last_name) and hire date for all employees who were hired in 1987. 8. Write a query to display the last name of employees having 'e' as the third character. 9. Write a query to get the maximum salary of an employee working as a Programmer. 10. Write a query to get the average salary and number of employees working the depart- ment 90 7. Write a query to display the name (first_name, last_name) and hire date for all employees who were hired in 1987. 8. Write a query to display the last name of employees having 'e' as the third character. 9. Write a query to get the maximum salary of an employee working as a Programmer. 10. Write a query to get the average salary and number of employees working the depart- ment 90