Kekoa Konani Is Chairman of the Chatty Chihuahua Club,where He

Multiple Choice

Kekoa Konani is chairman of the Chatty Chihuahua Club,where he maintains a database of registered purebred Chihuahuas and their breeding history.One table will store the name,birth date,and other characteristics of all of the registered Chihuahuas.Each Chihuahua is uniquely identified by a registration number.A second table will contain data that link each Chihuahua to its male and female parents by means of their registration numbers.The primary key in the second table is

A) name.
B) registration number.
C) date of birth.
D) relationship number.