COGNITIVE ASSESSMENT What Is Data Redundancy

question 104

Multiple Choice

COGNITIVE ASSESSMENT What is 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 has not already been entered.