Maria creates a relational database to keep track of cars in her repair shop. She stores information about each car in the "vehicle" table, and creates a column labeled "vehicle_ID" where she stores the vehicle VIN number. The "vehicle_ID" column is referred to as a ________.
A) primary key
B) key attribute
C) foreign key
D) functionally dependent record
E) secondary key

Question

Quizplus · Accepted Answer

A primary key uniquely identifies each record in a table and cannot contain any duplicate values. In this case, the "vehicle_ID" column storing the VIN number serves as a primary key in the "vehicle" table.

Maria Creates a Relational Database to Keep Track of Cars