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Data & Analytics · Foundational

Data Consistency

The data quality dimension measuring whether the same data agrees across records, systems and time.

Definition

Inconsistency arises when systems store different values for the same customer or use different codes. MDM and standardization improve consistency.

Example

CRM shows the state as 'CA' while billing shows 'Calif.'.

Exam tip

Conflicting values across systems = a consistency problem.

Related terms