The really nice thing of Symfony framework is database schema mapping and migrations, which have compatibility with numerous database systems and provides abstraction layer [0], that among many options of interfaces have quite handy YAML-formatted schema mapping [1]. Nothing extraordinary these days but it is really stable and simple to use.

[0]: https://symfony.com/doc/current/doctrine.html

[1]: https://www.doctrine-project.org/projects/doctrine-orm/en/2....