Carol, an Online Shopping Customer, Raises a Complaint Stating She

Multiple Choice

Carol, an online shopping customer, raises a complaint stating she had placed an order for books two weeks ago but has still not received them. Nigel, in charge of handling complaints for the site, wants to verify Carol's complaint. He tracks the order number and the order date for Carol's books. The data that Nigel is tracking are also called ________.

A) attributes
B) dependencies
C) cardinalities
D) alternatives