Database: student_transcripts_tracking
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