Companies
| id | name |
| 1 | Company A |
| 2 | Company B |
| 3 | Company C |
| 4 | Company D |
| 5 | Company E |
JobsTypes
| id | type |
| 1 | Software Engineer |
| 2 | Data Analyst |
| 3 | Product Manager |
| 4 | HR Specialist |
| 5 | Graphic Designer |
Salaries
| id | salary |
| 1 | $65,000 |
| 2 | $80,000 |
| 3 | $95,000 |
| 4 | $100,000 |
| 5 | $120,000 |
JobPostings
| id | companyID | jobTypeID | itJob | salaryID |
| (→ Companies.id) | (→ JobsTypes.id) | | (→ Salaries.id) |
| 1 | 1 | 1 | Network Administrator | 3 |
| 2 | 1 | 1 | Network Administrator | 1 |
| 3 | 2 | 2 | IT Consultant | 3 |
| 4 | 2 | 2 | IT Consultant | 1 |
| 5 | 3 | 3 | Software Developer | 2 |
| 6 | 3 | 3 | Software Developer | 4 |
| 7 | 4 | 4 | HR Coordinator | 5 |
| 8 | 4 | 4 | HR Coordinator | 2 |
| 9 | 5 | 5 | Web Designer | 4 |
| 10 | 5 | 5 | Web Designer | 3 |