A is a column (or columns) that uniquely identifies each row of data in a database.
A) selector
B) main key
C) identifier
D) primary key

Question

Quizplus · Accepted Answer

The term “primary key” is typically used to describe the column (or columns) within a database table that uniquely identifies each row of data in that table. The primary key is used to ensure data integrity, prevent duplicate records, and establish relationships between tables.

A Is a Column (Or Columns) That Uniquely Identifies Each