| id | name | contact_info |
|---|---|---|
| 1 | Company A | +123456789 |
| 2 | Company B | +987654321 |
| id | milestone_description | start_date | end_date | development_project_id |
|---|---|---|---|---|
| (→ Development_Project.id) | ||||
| 1 | Foundation Completed | 2023-01-01 | 2023-01-10 | 1 |
| 2 | Framing Started | 2023-01-11 | 2023-01-20 | 1 |
| id | project_name | developer_id |
|---|---|---|
| (→ Overseeing_Company.id) | ||
| 1 | High Rise Building | 1 |
| 2 | Residential Complex | 2 |