Not too easy. Not too difficult.
Database management system is one of the best course nowadays because this world now related with online booking of any tickets for this database management is compulsory so i recommend this course.
I learned how to retrieve and store data in database. I learned how to program to retrieve the data from database.
Hours per week:
Advice for students:
Learn all the syntax well and try on your own. It is the best course and you can research on this for better use than present.