hello!


i have a 3 queries that can offer the courses that the student didnt complete it yet! by check the prereqesit course for it!so the query check if there is grade or just enrolle in that course without grade , it will bs consider as completed course!
what i need is to add to the query that if the grade in any course is "F" , this course is consider as one of the uncompleted courses!
there is an attachment!
any help please !!