Larry creates a relational database to monitor the cars in his repair shop. He records details about individual cars in the "automobile" table, and creates a column titled "auto$\_$ID$"$ where he stores the vehicle VIN number. The "auto$\_$ID$"$ column is referred to as a $\_\_\_\_\_\_\_\_$

Group of answer choices

Foreign key

Functionally dependent record

Primary key

Key attribute

Secondary key