- Data lineage shows the complete journey of data from source to final report.
- It tracks where the data comes from, how it’s transformed, and where it’s used.
- In one project, we used lineage to trace a revenue mismatch back to a source system.
- It helped identify issues in transformation logic in Power Query.
- Data lineage improves transparency and trust in reports.
- It is useful for impact analysis when source data changes.
- Lineage is important for audits and compliance.
- Overall, it helps maintain data quality and reliability.
What is data lineage?
Updated on January 2, 2026
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