Glossary Library

Technical GlossaryData Engineering and AI Infrastructure

Column-Level Lineage

A detailed lineage level that traces which source columns each field was derived from and how it was transformed.

Column-level lineage goes beyond table-level visibility and shows the true origin of specific data fields. This level of detail is especially important for KPIs, model features, and regulated data elements. Knowing which source columns a dashboard metric was derived from greatly improves trust and auditability. Field-level traceability is one of the marks of maturity in modern data governance.

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Data Ownership

The principle that defines which business or technical role is responsible for the quality, definition, and use of specific data domains.

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Metadata Management

The systematic management of descriptions, sources, usage, and technical structure information about data.

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Data Lineage

The visible trace of all movements and transformations a data element undergoes from source to report or model.