In database terminology, a column (or combination of columns) that uniquely identifies a row in a table is called a(n) ____.
A)data type
B)attribute
C)primary key
D)column header

Question

Quizplus · Accepted Answer

A primary key is a column or combination of columns in a table that uniquely identifies each row in the table. It is used to enforce data integrity and ensure that no two rows have the same values in the primary key column(s).

In Database Terminology, a Column (Or Combination of Columns) That