Doctrine ORM uses Annotations to label SQL data, it's a pretty good example of Annotations in action: https://www.doctrine-project.org/projects/doctrine-orm/en/

Doctrine ORM uses Annotations to label SQL data, it's a pretty good example of Annotations in action: https://www.doctrine-project.org/projects/doctrine-orm/en/2.10/reference/annotations-reference.html https://www.doctrine-project.org/projects/doctrine-orm/en/2....