AWS Glue
Connect an AWS Glue Iceberg catalog as an External Table with the Data Portal wizard — no API calls.
Amazon S3 Tables
Connect an Amazon S3 Tables bucket as an External Table with the point-and-click Data Portal wizard.
Unity Catalog
Connect Databricks or OSS Unity Catalog, including Delta tables with UniForm, via the Data Portal wizard.
Apache Polaris & Snowflake Open Catalog
Connect Polaris or Snowflake Open Catalog Iceberg tables via the wizard using OAuth2 principal credentials.
Snowflake Horizon Catalog
Connect Snowflake-managed Iceberg tables (Horizon) via the Data Portal wizard, authenticating with a PAT.
S3 Data Lake
Query raw Parquet files in an S3 bucket as an External Table — no catalog service required.
GCS Data Lake
Connect raw Parquet files on GCS via the S3-compatible interop endpoint using the Data Portal wizard.
Support Matrix
See supported catalogs, table and file formats, auth methods, features, indexes, and limits in one place.