Enrolling in a Course

Actors: Registered User (USER)

1. A logged-in user selects a course.

2. The system verifies that the user has an active subscription.

3. An enrollment record is created.

INSERT INTO enrollment (user_id, course_id, enroll_date, completion_status, progress_percentage)
VALUES (1, 3, CURRENT_DATE, 'IN_PROGRESS', 0);