# PostgreSQL (/docs/runtime/components/postgresql)



Component Category [#component-category]

Data and storage / relational database

Component Description [#component-description]

PostgreSQL is the relational database used to store structured operational data across the platform.

Why It Is Used [#why-it-is-used]

In BullSequana AI Runtime, PostgreSQL supports platform services that require durable, transactional, and queryable storage for metadata, configuration, and application state.

Learn More [#learn-more]

* [PostgreSQL documentation](https://www.postgresql.org/docs/current/)
* [postgres/postgres on GitHub](https://github.com/postgres/postgres)

Interacts With [#interacts-with]

* `PgAdmin`, as the operational administration console for PostgreSQL instances.
* `Keycloak`, `OpenFGA`, `Temporal`, and `Grafana`, all of which rely on PostgreSQL-backed state in this platform.
* `Argo Workflows` and higher-layer platform services, which also use PostgreSQL for durable metadata and operational data.