Question: What are the first, middle, and last names, along with the ids, of all students who enrolled in 2 degree programs in one semester?
SQL: SELECT T1.first_name ,  T1.middle_name ,  T1.last_name ,  T1.student_id FROM Students AS T1 JOIN Student_Enrolment AS T2 ON T1.student_id  =  T2.student_id GROUP BY T1.student_id HAVING count(*)  =  2