In a database, the primary key is used to _____.
A) specify an entity
B) create linked lists
C) identify duplicated data
D) uniquely identify a record
E) uniquely identify an attribute

Question

Quizplus · Accepted Answer

The primary key is a column or a set of columns that are used to uniquely identify each row or record in a table. It is used to ensure that each row in a table is unique and to establish relationships between tables.

In a Database, the Primary Key Is Used to _____