Post_Production_Sound_Mixers
| id | name | years_of_experience |
| 1 | John Doe | 10 |
| 2 | Jane Smith | 8 |
| 3 | Alice Johnson | 7 |
| 4 | Bob Brown | 6 |
| 5 | Tom Green | 9 |
Recording_Environments
| id | environment_name |
| 1 | Isolation Booths |
| 2 | Live Studio |
| 3 | Outdoor Location |
| 4 | Foley Stage |
| 5 | Dubbing Theatre |
FilmProjects
| id | title | release_date |
| 1 | Film A | 2023-01-01 |
| 2 | Film B | 2023-02-01 |
| 3 | Film C | 2023-03-01 |
| 4 | Film D | 2023-04-01 |
| 5 | Film E | 2023-05-01 |
Films_with_Sound_Mixing
| film_id | mixer_id |
| (→ FilmProjects.id) | (→ Post_Production_Sound_Mixers.id) |
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 5 |
Sound_Mixer_Environment_History
| sound_mixer_id | environment_id | start_year | end_year |
| (→ Post_Production_Sound_Mixers.id) | (→ Recording_Environments.id) | | |
| 1 | 1 | 2013 | 2017 |
| 1 | 2 | 2017 | 2020 |
| 2 | 2 | 2015 | 2019 |
| 2 | 3 | 2019 | 2022 |
| 3 | 3 | 2014 | 2018 |
| 2 | 1 | 2015 | 2019 |
| 3 | 1 | 2014 | 2018 |
| 4 | 1 | None | None |
| 5 | 1 | None | None |