A primary key is a ____ within a database table that uniquely identifies each record.
A) field
B) record
C) file
D) unit

Question

Quizplus · Accepted Answer

A primary key is a field within a database table that serves as a unique identifier for each record. It must be unique and not null, meaning it cannot contain any duplicate values or have any missing or null values. A primary key is used to establish relationships between tables and ensure that each record can be uniquely identified and accessed.

A Primary Key Is a ____ Within a Database Table