2.1
Consider the employee database of Figure 2.17. What are the appropriate primary-keys?
The appropriate primary keys are shown below:
employee(person_name, street, city)
works(person_name, company_name, salary)
company(company_name, city)
Consider the employee database of Figure 2.17. What are the appropriate primary-keys?
The appropriate primary keys are shown below:
employee(person_name, street, city)
works(person_name, company_name, salary)
company(company_name, city)