Question 29 The query that displays courses with no students registered in it: Not yet answered Marked out of 1.00 P Flag question a. select course_id from courses minus select course_id from registration; O b. select course_id from registration minus select course_id from courses: O c. select course_id from courses intersect select course_id from registration; O d. select course_id from registration union all select course_id from courses: Question 30 A report that displays the id,full_name and major_id for all students that have the same major_id as the student 'rami yousef'. Not yet answered Marked out of 1.00 O a. select Major_id,full_name from students where major_id = (select major_id from students where full_name like 'rami yousef'); O b. select Major_id,full_name from students where id = (select id from students where full_name like 'rami yousef'); O c. select Major_id,full_name from students where (select major_id from students where full_name like 'rami yousef'); O d. select major_id from students where full_name like 'rami yousef'; P Flag