Data Engineering AWS Big Data Blog · 2026-10-06T16:05:27Z · 1 min read

Query across accounts and table formats with multi-catalog in Amazon EMR

Amazon EMR 8.1.0 adds multi-catalog support through the RedirectingSessionCatalog, so you can query Iceberg, Delta Lake, Hudi, and Hive tables through a single catalog and join data across AWS accounts without copying it. This post shows how to put these capabilities into practice on Amazon EMR Serverless.

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