SQL Alchemy

- RDBMS

- SQL

- ORM

- Django ORM

- SQL Alchemy 
https://docs.sqlalchemy.org/en/13/intro.html
Just following this is enough

https://docs.sqlalchemy.org/en/13/orm/tutorial.html
Concepts:
- Engines

- For development:

>>> from sqlalchemy import create_engine
>>> engine = create_engine('sqlite:///:memory:', echo=True)

https://docs.sqlalchemy.org/en/13/orm/tutorial.html#


https://github.com/sqlalchemy/sqlalchemy/wiki/UsageRecipes

https://docs.sqlalchemy.org/en/13/orm/examples.html