9:35 ve hboard / My courses / UOP Faculties / 06-Faculty of Information Technology / Course by Semester / Semester 20201 / Da Dashboard Site home Calendar Badges All courses Course dashboard Question 5 Not yet answered Marked out of 200 Given the relations employee (name, salary, deptno), and department (deptno, deptname, address) Which of the following queries cannot be expressed using the basic relational algebra operations (0,,,, N.:)? p Flag question Select one: O a. Department address of every employee O b. Employee whose name is the same as their department name O c. The sum of all employee salaries O d. All employees of a given department