## Curriculum_Content

id | subject
--- | ---
1 | Mathematics
2 | Physics
3 | Chemistry
4 | Biology
5 | History

## Online_Learning

id | curriculum_content_id | online_platform | lesson_duration
--- | --- | --- | ---
| (→ Curriculum_Content.id) |  |
1 | 1 | edX | 60.0
2 | 2 | Coursera | 90.0
3 | 3 | Udacity | 75.0
4 | 4 | Khan Academy | 45.0
5 | 5 | Google Classroom | 30.0

## Classroom_Teaching

id | curriculum_content_id | teacher_name | class_size
--- | --- | --- | ---
| (→ Curriculum_Content.id) |  |
1 | 1 | Mr. Smith | 25
2 | 2 | Mrs. Johnson | 30
3 | 3 | Ms. Brown | 28
4 | 4 | Dr. Wilson | 22
5 | 5 | Professor Davis | 35

## Student

id | first_name | last_name | age | email
--- | --- | --- | --- | ---
1 | John | Doe | 20 | john.doe@example.com
2 | Jane | Smith | 22 | jane.smith@example.com
3 | Alice | Johnson | 19 | alice.johnson@example.com
4 | Bob | Brown | 21 | bob.brown@example.com
5 | Charlie | Williams | 20 | charlie.williams@example.com

## Enrollment

student_id | course_type | course_id | enrolled_date
--- | --- | --- | ---
(→ Student.id) |  | (→ Course.id) |
1 | online | 1 | 2024-03-13 20:57:02
2 | classroom | 1 | 2024-03-13 20:57:02
3 | online | 2 | 2024-03-13 20:57:02
4 | classroom | 2 | 2024-03-13 20:57:02
5 | online | 3 | 2024-03-13 20:57:02

## Course

id | title | curriculum_content_id | start_date | end_date
--- | --- | --- | --- | ---
|  | (→ Curriculum_Content.id) |  |
1 | Introduction to Mathematics | 1 | 2022-01-01 | 2022-05-31
2 | Advanced Physics | 2 | 2022-02-01 | 2022-06-30
3 | General Chemistry | 3 | 2022-03-01 | 2022-07-31
4 | Organic Chemistry | 4 | 2022-04-01 | 2022-08-31
5 | World History | 5 | 2022-05-01 | 2022-09-30