Which of the following is a value that uniquely identifies a database record?

The correct answer is C. Primary key. A primary key is a value that uniquely identifies a database record or a row in a table. A primary key can be a single column or a combination of columns that have unique values for each record. A primary key ensures that each record can be distinguished from others and prevents

Database Fundamentals

Question

Options

AForeign key
BPublic key
CPrimary key
DPrivate key

How the community answered

(21 responses)

A
10% (2)
B
5% (1)
C
86% (18)

Explanation

A primary key is a value that uniquely identifies a database record or a row in a table. A primary key can be a single column or a combination of columns that have unique values for each record. A primary key ensures that each record can be distinguished from others and prevents duplicate data. For example, in a database that stores information about employees, the employee ID column can be used as a primary key for each employee record.

Topics

#primary key#unique identifier#database records

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