A metadata management system enables structured capture, storage, and analysis of metadata. It enhances data quality and integration, supports compliance with regulations, and promotes data reusability.
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A metadata management system collects, manages, and distributes descriptions of data assets and their use.
These systems emerged when distributed databases and data warehouses needed shared technical and business descriptions. Open-source projects such as Apache Atlas combine cataloguing, classification, and lineage functions.
The system is the administration layer of a data catalog: it ingests schemas and lineage, links them to business terms, and serves the information to search, governance, and analysis.
A discoverable directory of data assets.
Links between source, processing, and destination.
Grouping by business or technical attributes.
A metadata management system shortens discovery and supports governance. Its orientation is only as good as its connected sources and stewardship.
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