The column T1.student_id is repeated in both queries and it does not make sense according to the question in English:
Wrong query:
SELECT T1.student_id , T1.first_name , T1.middle_name , T1.last_name , count() , T1.student_id FROM Students AS T1 JOIN Student_Enrolment AS T2 ON T1.student_id = T2.student_id GROUP BY T1.student_id ORDER BY count() DESC LIMIT 1
Right query:
SELECT T1.first_name , T1.middle_name , T1.last_name , count() , T1.student_id FROM Students AS T1 JOIN Student_Enrolment AS T2 ON T1.student_id = T2.student_id GROUP BY T1.student_id ORDER BY count() DESC LIMIT 1
Question in English:
What is the first, middle, and last name, along with the id and number of enrollments, for the student who enrolled the most in any program?
The column T1.student_id is repeated in both queries and it does not make sense according to the question in English:
Wrong query: SELECT T1.student_id , T1.first_name , T1.middle_name , T1.last_name , count() , T1.student_id FROM Students AS T1 JOIN Student_Enrolment AS T2 ON T1.student_id = T2.student_id GROUP BY T1.student_id ORDER BY count() DESC LIMIT 1
Right query: SELECT T1.first_name , T1.middle_name , T1.last_name , count() , T1.student_id FROM Students AS T1 JOIN Student_Enrolment AS T2 ON T1.student_id = T2.student_id GROUP BY T1.student_id ORDER BY count() DESC LIMIT 1
Question in English: What is the first, middle, and last name, along with the id and number of enrollments, for the student who enrolled the most in any program?