Pat Chambers is chair of the National Chocolate Lab Society, which maintains a database of all chocolate lab dogs within the United States. One table will store the name, birth date, and other characteristics of all of the new puppies that have been registered. Each puppy is uniquely identified by a registration number. A second table will contain data that link each puppy to its male and female parents by means of their registration numbers. The primary key in the first table is:

Group of answer choices

Birth date.

Name.

The foreign key in the second table.

The primary key in the second table