SQLALCHEMY: links

https://auth0.com/blog/sqlalchemy-orm-tutorial-for-python-developers/

http://www.blog.pythonlibrary.org/2010/09/10/sqlalchemy-connecting-to-pre-existing-databases/

https://www.freecodecamp.org/news/sqlalchemy-makes-etl-magically-easy-ab2bd0df928/

https://www.codementor.io/bruce3557/graceful-data-ingestion-with-sqlalchemy-and-pandas-pft7ddcy6


https://sdsawtelle.github.io/blog/output/large-data-files-pandas-sqlite.html