IdeasCuriosas - Every Question Deserves an Answer Logo

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.
;

Answered by Anonymous | 2025-07-08

Related Questions in Computers and Technology

[Answered] What is an element of the user interface on which the user can click to execute a command, such as confirm, cancel, or exit? A. Button B. Icon C. Submenu D. Drop down box E. Mouse pad

[Answered] Which best describes Internet wikis as a source of scientific information? A. Wikis are good sources of reliable scientific information. B. Wikis are written only by experts in their fields. C. Wikis are always extensively peer reviewed. D. Wikis are written or edited by anyone.

[Answered] Blue 'add' buttons are used throughout the SimChart for the Medical Office system to make changes to patient accounts. True False

[Answered] Apply conditional formatting to the selected cells so cells with a value greater than 400 are formatted using a light red fill.

[Answered] What does the acronym STEM stand for? A. Science and Technology Educational Methods B. Science, Technology, Engineering, and Mathematics C. Study, Think, Educate, and Move D. Study Technology, Engineering, and Math