Explain the multiple strategies for mapping and using inheritance in entities. Reference to [Doctrine documentation](http://docs.doctrine-project.org/projects/doctrine-orm/en/latest/reference/inheritance-mapping.html), try to avoid duplicating it, but always emphasize differences if they exist.
Explain the multiple strategies for mapping and using inheritance in entities.
Reference to Doctrine documentation, try to avoid duplicating it, but always emphasize differences if they exist.