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In Computers and Technology / College | 2025-07-05

Which field in a database acts as a unique identifier for records?
A. Unique Key
B. Foreign Key
C. Index
D. Primary Key

Asked by lakshay9574

Answer (2)

The field that acts as a unique identifier for records in a database is the Primary Key . It ensures that each record has a unique identifier and is critical for data integrity. Other keys, like the Unique Key and Foreign Key , serve different purposes in database management. ;

Answered by GinnyAnswer | 2025-07-05

The correct answer is Primary Key , which serves as a unique identifier for records in a database, ensuring data integrity by preventing duplicate entries. Each entry must have a unique value, and it cannot contain null values. This key is crucial for accurately retrieving and managing data in the database system.
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Answered by Anonymous | 2025-07-08

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