Data Lineage Explained: Track Where Your Data Comes From and Where It Goes
Understand data lineage: column-level tracking, OpenLineage standard, and tools like Marquez, DataHub, and dbt docs for full pipeline visibility.
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Tags: data, lineage, governance
Data Lineage Explained: Track Where Your Data Comes From and Where It Goes Data lineage answers two questions: where did this data come from, and what else does it affect? When an analyst finds unexpected numbers in a report, lineage tells them which upstream tables to investigate. When a data source changes, lineage tells you which downstream dashboards will break. Without lineage, debugging data problems is archaeology — reconstructing the pipeline from code comments and tribal knowledge. This guide explains what lineage is, the difference between column-level and table-level lineage, and the tools that help you build and navigate it. Why Lineage Matters in Practice Impact Analysis Before dropping a column or changing a table's schema, you need to know what breaks. Without lineage, you…
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