External Catalogs
External catalogs connect your existing databases and data warehouses to Altertable, making them queryable alongside your Altertable catalogs and other data sources.
All external catalogs support federated queries, allowing you to join data from multiple sources in a single SQL query. Learn more about authentication and how to access your credentials.
Postgres
Add Postgres as an external catalog in Altertable for unified analytics. Query across Postgres and other sources with the federated query engine.MySQL
Add MySQL as an external catalog in Altertable for unified analytics. Query and analyze data across MySQL and other sources with Altertable's federated query engine.MariaDB
Add MariaDB as an external catalog in Altertable for unified analytics. Query across MariaDB and other sources with federated query engine.BigQuery
Add BigQuery as an external catalog in Altertable for unified analytics. Configure service account credentials and required roles to query BigQuery data.Redshift
Add Amazon Redshift as an external catalog in Altertable for unified analytics. Query and analyze data across Redshift and other sources with federated queries.Snowflake
Add Snowflake as an external catalog in Altertable for unified analytics. Configure network policies to allow Altertable's IP address and query data across sources.Supabase
Add Supabase as an external catalog in Altertable for unified analytics using Transaction Pooler. Query and analyze data across Supabase and other sources.