Radio_Stations
| station_id | station_name | frequency |
| 1 | Classic Rock | 96.3 |
| 2 | Top Hits | 88.7 |
| 3 | Country Gold | 92.5 |
| 4 | Jazz & Blues | 100.1 |
| 5 | Electronic Beats | 99.9 |
Programs
| program_type_id | program_type_name |
| 1 | Morning Show |
| 2 | Afternoon Drive |
| 3 | Evening News |
| 4 | Night Music |
| 5 | Weekend Special |
Hosts
| host_id | host_name | host_gender |
| 1 | John Doe | M |
| 2 | Jane Smith | F |
| 3 | Bob Johnson | M |
| 4 | Alice Brown | F |
| 5 | Tom Clark | M |
Radio_Stations_Hosts
| radio_station_id | host_id |
| (→ Radio_Stations.station_id) | (→ Hosts.host_id) |
| 1 | 1 |
| 2 | 2 |
| 3 | 3 |
| 4 | 4 |
| 5 | 5 |
Radio_Stations_Programs
| radio_station_id | program_type_id | day_of_week | start_time | end_time |
| (→ Radio_Stations.station_id) | (→ Programs.program_type_id) | | | |
| 1 | 1 | 1 | 06:00:00 | 10:00:00 |
| 1 | 2 | 2 | 12:00:00 | 16:00:00 |
| 2 | 1 | 1 | 07:00:00 | 11:00:00 |
| 3 | 3 | 1 | 06:00:00 | 10:00:00 |
| 4 | 2 | 2 | 12:00:00 | 16:00:00 |
| 3 | 1 | 1 | 06:00:00 | 10:00:00 |
| 4 | 1 | 2 | 12:00:00 | 16:00:00 |
| 5 | 1 | None | None | None |