Advanced – Cloud & Data Testing
Data Quality – ISTQB Definition
Last Updated: July 12, 2026 · SoftwareTestPilot QA Team
Official ISTQB Definition
A measure of data fitness for use across dimensions such as accuracy, completeness, consistency, timeliness, uniqueness, and validity.
In simple words
How trustworthy your data is — right values, no gaps, no duplicates, up to date.
Exam tip
The standard data-quality dimensions (ACCITU) are frequently asked in data testing interviews.
Related terms
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