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AnnouncementsDatabricks Blog·April 29, 2026·John Spencer

Interoperability Between Unity Catalog and Google BigQuery via Catalog Federation

Summary

Google Cloud now supports catalog federation to Unity Catalog, enabling BigQuery users to read tables in Unity Catalog without duplication. Unity Catalog also supports catalog federation to Google Cloud's Lakehouse, allowing it to read Iceberg tables written from BigQuery and other engines.

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