Catalog overview

📄️ Overview

This topic describes what a catalog is, and how to manage and query internal data and external data by using a catalog.

📄️ Default catalog

This topic describes what the default catalog is, and how to query the internal data of StarRocks by using the default catalog.

📄️ Hive catalog

A Hive catalog is a kind of external catalog that enables you to query data from Apache Hive™ without ingestion. Also, you can directly transform and load data from Hive by using INSERT INTO based on Hive catalogs.

📄️ Iceberg catalog

An Iceberg catalog is a type of external catalog that is supported by StarRocks from v2.4 onwards. With Iceberg catalogs, you can:

📄️ Hudi catalog

A Hudi catalog is a kind of external catalog that enables you to query data from Apache Hudi without ingestion.

📄️ Delta Lake catalog

A Delta Lake catalog is a kind of external catalog that enables you to query data from Delta Lake without ingestion.

📄️ JDBC catalog

StarRocks supports JDBC catalogs from v3.0 onwards.

📄️ Elasticsearch catalog

StarRocks supports Elasticsearch catalogs from v3.1 onwards.

📄️ Paimon catalog

StarRocks supports Paimon catalogs from v3.1 onwards.

📄️ Query external data

This topic guides you through querying data from external data sources by using external catalogs.