VeloDB Cloud 26.x·Apache Doris 4.x (≤ 4.0 supported)·"Since X.Y" tags refer to Doris versionsversion mapping →
Add Catalog
Catalog lets you register external data sources and query them directly from VeloDB Cloud without physically moving the data. Once a catalog is created, you can use standard SQL to browse its databases and tables alongside your VeloDB-managed data.
| Catalog | Description |
|---|---|
| AWS Glue | Query Iceberg and Hive tables stored on S3, with metadata managed by AWS Glue. |
| Amazon S3 Tables | Query S3 Tables via the AWS Glue Iceberg REST endpoint. |
| Iceberg REST Catalog | Connect to any catalog service that implements the Iceberg REST specification. |
| Apache Polaris | Query Iceberg tables managed by the Apache Polaris open-source catalog service. |
| Databricks Unity Catalog | Query data lake tables managed by Databricks Unity Catalog. |
| Hive Metastore | Connect to a Hive Metastore and query Hive or Iceberg tables stored on S3. |
| MySQL Catalog | Run federated queries against a MySQL database. |
| PostgreSQL Catalog | Run federated queries against a PostgreSQL database. |
| Sample Data Catalog | Use built-in TPCH and TPCDS sample datasets for testing and benchmarking. |