Consider the employee database of Figure 2.17. What are the appropriate primary keys? employee (personname, street, city)works (person_nате, соmpany_лате, salary)соmpany (companyлате, сіtvy)Figure 2.17 Employee database.

The appropriate primary keys are: person_name person_name company_name

Answered: employee (personname, street, city)…

employee (personname, street, city) works (person_nате, соmpany_лате, salary) соmpany (companyлате, сіtvy) Figure 2.17 Employee database.

Principles of Information Systems (MindTap Course List)

13th Edition

ISBN:9781305971776

Author:Ralph Stair, George Reynolds

Publisher:Ralph Stair, George Reynolds

Chapter5: Database Systems And Big Data

Section: Chapter Questions

Problem 14SAT

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Question

Consider the employee database of Figure 2.17. What are the appropriate primary keys?

employee (personname, street, city)
works (person_nате, соmpany_лате, salary)
соmpany (companyлате, сіtvy)
Figure 2.17 Employee database.

Organized collection of structured information, or data, typically stored in a computer system.

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