## Textbooks

id | title | author | publication_year
--- | --- | --- | ---
1 | Mathematics Fundamentals | John Smith | 2018
2 | Physics Basics | Jane Doe | 2019
3 | Chemistry Essentials | Michael Johnson | 2020

## Textbook_Chapters

textbook_chapter_id | textbook_id | chapter_id | content | created_at | updated_at
--- | --- | --- | --- | --- | ---
| (→ Textbooks.id) | (→ Chapters.chapter_id) |  |  |
1 | 1 | 1 | This is an introduction to Mathematics | 2024-01-30 18:17:20 | 2024-01-30 18:17:20
2 | 1 | 2 | Here we discuss Algebra | 2024-01-30 18:17:20 | 2024-01-30 18:17:20
3 | 2 | 1 | Welcome to Physics | 2024-01-30 18:17:20 | 2024-01-30 18:17:20
4 | 2 | 3 | Learning Mechanics | 2024-01-30 18:17:20 | 2024-01-30 18:17:20
5 | 3 | 1 | Starting with Chemistry | 2024-01-30 18:17:20 | 2024-01-30 18:17:20

## Chapters

chapter_id | chapter_name
--- | ---
1 | Introduction
2 | Algebra
3 | Mechanics
4 | Organic Chemistry