PostgreSQL is a free, object-relational database management system (ORDBMS) emphasizing extensibility and SQL compliance.

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In order to focus on one technology, PostgreSQL has been preferred as the default database system for new use cases since 2024. With PostgreSQL, we use a stable and established database system that, above all, allows us to be vendor-independent. Other database systems can only be used in technically justified exceptions.

Together with MariaDB, which is also free, around 40% of our database instances currently use an open source database system.