Let's use this great example from [PLORMBING YOUR DJANGO ORM, by Alex Brown](https://www.elttam.com/blog/plormbing-your-django-orm/)  We can see 2 type of relationships: * One-to-One relationships * Many-to-Many Relationships
Source: ORM Leak/README.md in PayloadsAllTheThings. From PayloadsAllTheThings by Swissky and contributors. MIT License, Copyright (c) 2019 Swissky.