Question

Table 1: Student

id (PK)
name

Table 2: `Course

id (PK)
name

Table 3: StudentCourse (association between student and course)

student_id
course_id
grade
PK(student_id, course_id)

What will be the SQL query to find names of students and courses where the student received ‘F’ grade for every course taken by that student?

Answer 1

select distinct ss.student_id,NAME  from StudentCourse  ss JOIN  students ON ss.student_id = students.id  where not exists
(
select course_id from StudentCourse  where  student_id = ss.student_id and grade<>'f'
)