Separate the Dimension Before You Fix
Diagnose data-quality defects by dimension so the remediation matches the failure mode.
The move: diagnose the kind of bad before deciding the fix. Dimensions are not labels for reports They are operating clues. Completeness points to missing required values. Validity points to rule-breaking values. Uniqueness points to duplicates. Consistency points to disagreement across locations. Timeliness points to late or stale data. Accuracy points to values that do not match reality. Remedies follow dimensions A stale dataset does not need deduplication first. A valid but inconsistent code set does not need more mandatory fields. A complete but inaccurate address may require a source-verification process, not a schema rule. Use dimension plus scope The…
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