Heidi Holloway Is a Headhunter with Career Funnel in Boca

Multiple Choice

Heidi Holloway is a headhunter with Career Funnel in Boca Raton,Florida.Heidi is proud of the company's ability to "funnel workers into jobs." The foundation of CF's success is its accounting information system and,in particular,its list of employers and clients.Each employer is identified by a tax identification number and each client by a social security number.When a client is placed with an employer,a record is created in which these two numbers are

A) combined to make the primary key.
B) both primary keys.
C) both foreign keys.
D) redundant data.