Definition
Data Quality is the degree to which data meet requirements for accuracy, completeness, consistency, timeliness and fitness for a defined purpose.
Human Explanation
Data have high quality when people can rely on them during analysis and decision-making.
Why it Matters
Poor Data Quality leads to incorrect analyses, flawed decisions and loss of trust in information.
Conceptual Boundary
Data Quality does not depend on correctness alone. It also includes timeliness, consistency and suitability for the intended purpose.
Practical Perspective
Assessing Data Quality should be a continuous part of information management rather than a one-time activity.