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- a metadata repository and tools for its governance team. This metadata repository may host the canonical glossary, and the governance policies, rules and classifications.
- a metadata repository for its data lake. This metadata repository has the details of the data repositories in the data lake and the movement of data between them.
- a metadata repository for its data integration tools that continuously extract data sets from the operational systems and sends send them to the data lake.
The role of the OMRS is to bring these metadata repositories together so this metadata can be linked and used together across the organization. It enables these metadata repositories to act as a aggregated source of metadata. The metadata repositories using OMRS may be instances of Apache Atlas and they may include a mixture of repositories from different vendors that support the OMRS integration interfaces.
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