List all of the grades given in the course Computer Science 143. Do this as a single query and do not hard-code 143's ID number in the query. (JOIN) Expected results:
+-------+ | grade | +-------+ | C | | A+ | | D- | | B | +-------+ 4 rows in set (0.02 sec)
SELECT g.grade FROM grades g JOIN courses c ON c.id = g.course_id WHERE c.name = 'Computer Science 143';