COGNITIVE ASSESSMENT Define data redundancy.
A) There is no primary key to distinguish records.
B) Each department has its own files, so the same data might be stored in multiple files.
C) Data is linked to multiple records in a database.
D) In the same database, each department enters data without checking to ensure it hasn't already been entered.

Question

Quizplus · Accepted Answer

Data redundancy occurs when the same piece of data is stored in multiple places, which is often the case when each department maintains its own files independently.

COGNITIVE ASSESSMENT Define Data Redundancy