## Levels

id | level
--- | ---
1 | Beginner
2 | Intermediate
3 | Advanced
4 | Expert
5 | Professional

## Language_Programs

id | programName | description
--- | --- | ---
1 | Python Programming | A comprehensive course on Python programming language.
2 | Java Development | An advanced Java development course covering object-oriented concepts.
3 | Web Design | A hands-on course on designing websites using HTML, CSS, and JavaScript.
4 | Data Science | In-depth exploration of data science techniques and tools like R and Python.
5 | Mobile App Development | Developing mobile apps for iOS and Android platforms.

## Students

id | firstname | lastname | email | registrationDate
--- | --- | --- | --- | ---
1 | John | Doe | john.doe@example.com | 2024-01-30 18:17:55
2 | Jane | Smith | jane.smith@example.com | 2024-01-30 18:17:55
3 | Alice | Brown | alice.brown@example.com | 2024-01-30 18:17:55
4 | Bob | White | bob.white@example.com | 2024-01-30 18:17:55
5 | Charlie | Black | charlie.black@example.com | 2024-01-30 18:17:55

## Enrollments

studentId | programId | enrollmentDate
--- | --- | ---
(→ Students.id) | (→ Language_Programs.id) |
1 | 1 | 2023-01-01 10:00:00
2 | 2 | 2023-01-01 11:00:00
3 | 3 | 2023-01-01 12:00:00
4 | 4 | 2023-01-01 13:00:00
5 | 5 | 2023-01-01 14:00:00

## Student_Level

studentId | levelId
--- | ---
(→ Students.id) | (→ Levels.id)
1 | 1
2 | 2
3 | 3
4 | 4
5 | 5

## Student_Enrolled_Program_Level

studentId | programId | levelId
--- | --- | ---
(→ Students.id) | (→ Language_Programs.id) | (→ Levels.id)
1 | 1 | 1
2 | 2 | 2
3 | 3 | 3
4 | 4 | 4
5 | 5 | 5