Data catalogs

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Beta feature. [Learn more.](/docs/beta-and-experimental-features#beta-features)

ClickHouse Cloud can connect directly to your open table format data catalogs, giving you access to your data lake tables without duplicating data.
Through the integration, your catalog's tables will appear as queryable databases inside ClickHouse.
Setup is available both via SQL command ([DataLakeCatalog](/docs/engines/database-engines/datalakecatalog)) and via the ClickHouse Cloud UI on the Data Sources tab.

Using the UI:

- Simplifies setup with a form using fields consistent with your Data Catalog objects
- Provides a single interface for active data catalog integrations
- Tests connections and credentials when saving

|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| Name Open Table Format Supported Auth Method Support Version|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | AWS Glue Catalog Iceberg IAM/Access keys Cloud & [Core](/docs/use-cases/data-lake/glue-catalog) 25.10+|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | Lakekeeper Iceberg OAuth client credentials [Core](/docs/use-cases/data-lake/lakekeeper-catalog) 25.10+|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | Microsoft OneLake Iceberg Azure Active Directory (AAD) Cloud & [Core](/docs/use-cases/data-lake/onelake-catalog) 25.12+|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | Nessie Iceberg OAuth client credentials [Core](/docs/use-cases/data-lake/nessie-catalog) 25.10+|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | Polaris/Open Catalog Iceberg OAuth client credentials [Core](/docs/use-cases/data-lake/polaris-catalog) 26.1+|  |  |  |  |  |  |  |  |  |  | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | REST catalog Iceberg OAuth client credentials, Bearer token Cloud & [Core](/docs/use-cases/data-lake/rest-catalog) 25.10+|  |  |  |  |  | | --- | --- | --- | --- | --- | | Unity Catalog Iceberg (UniForm-enabled and managed), Delta OAuth client credentials Cloud (Iceberg only) & [Core](/docs/use-cases/data-lake/unity-catalog) 25.10+ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |

We have more catalogs planned, including Horizon and S3 tables REST endpoint.

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