Database: e_learning
Question: Find the subject ID, name of subject and the corresponding number of courses for each subject, and sort by the course count in ascending order.
SQL:
SELECT T1.subject_id ,  T2.subject_name ,  COUNT(*) FROM Courses AS T1 JOIN Subjects AS T2 ON T1.subject_id  =  T2.subject_id GROUP BY T1.subject_id ORDER BY COUNT(*) ASC