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11. Students Who Attended All Courses (Medium)
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Problem Statement

Table: Enrollment

This table records the enrollments of students in various courses. Each record includes a student ID and a course ID.

+--------------+---------+
| Column Name  | Type    |
+--------------+---------+
| student_id   | int     |
| course_id    | int     |
+--------------+---------+
This table may contain duplicate rows.
student_id is not NULL.
course_id is a foreign key to the Course table.

Table: Course

This table lists all the courses available.

+--------------+---------+
| Column Name  | Type    |

.....

.....

.....

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Table of Contents

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