PostgreSQL, one of the most popular open source relational databases, taps decades of active development from its dedicated community. PostgreSQL databases are a top choice for storing large amounts of relational data. When using Astro, the metadata about your Airflow deployment is stored in a PostgreSQL database, allowing you to take full advantage of features like the highly available scheduler.
PostgreSQL is an extensible, reliable, and robust solution for storing relational data. Leverage Airflow’s Postgres provider package to connect to any database solution using the PostgreSQL wire protocol. Orchestrate data storage in an integrated and seamless manner.