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The snapshotId of the source tables involved in the materialized view are also maintained in the metadata. A Note on Iceberg materialized view specification Currently, the metadata needed for materialized views is maintained in Hive Metastore and it builds upon the materialized views metadata previously supported for Hive ACID tables.
erwin also provides data governance, metadata management and data lineage software called erwin Data Intelligence by Quest. It requires discipline, and information in the form of metadata about those being governed so that remedial action can be taken to hold people to account and ensure policies are being followed.
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