Write Quality Rules as Dimensions
Translate vague data quality complaints into measurable contract rules using quality dimensions.
Bad data is not a rule. Completeness below 99.9% is a rule. Name The Dimension Start by asking what kind of failure the consumer is experiencing. Missing values point to completeness. Duplicated identifiers point to uniqueness. Wrong categories point to validity. Late arrival points to timeliness. Conflicting sources point to consistency. No lineage points to traceability. Tie The Rule To Use A rule should protect a decision or workflow. Do not add generic tests just because they are easy. A dashboard field used in renewal risk deserves a tighter threshold than a field used only for exploratory slicing. Define The…
Sign up free — one personalized lesson every day, matched to your role and goals.
Already have an account? Sign in