| id | format_name | description |
|---|---|---|
| 1 | MP3 | A common digital audio format. |
| 2 | WAV | An uncompressed PCM audio file format. |
| 3 | FLAC | Lossless compression audio file format. |
| 4 | DTS | Digital Theater System sound codec. |
| 5 | Dolby_Atmos | Object-based surround sound system. |
| id | service_name | subscription_price | number_of_users |
|---|---|---|---|
| 1 | Service1 | 9.99 | 10000 |
| 2 | Service2 | 14.99 | 8000 |
| 3 | Service3 | 6.99 | 7000 |
| 4 | Service4 | 12.99 | 9000 |
| 5 | Service5 | 19.99 | 5000 |
| streaming_service_id | audio_format_id |
|---|---|
| (→ Streaming_Services.id) | (→ Audio_Formats.id) |
| 1 | 5 |
| 2 | 5 |
| 3 | 5 |
| 4 | 5 |
| 5 | 5 |
| 5 | 4 |