Ingeniería de software inversa. BD HR

Nodos de los diagramas

• Regions: Region_ID

• Countries: Country_ID Region_ID

• Locations: Country_ID Location_ID

• Departments: Department_ID Location_ID

• Jobs: Job_id

• 1:N

• 1:N

• 1:N

• Employees: Departament_ID Employee_ID Job_ID

• Job_history: Employee_ID Job_ID Department_ID

• 1:N

• 1:1

• 1:1

• N:1