Miguel Grinberg • 4/2/2026

SQLAlchemy 2 In Practice - Chapter 3 - One-To-Many Relationships

This chapter from the SQLAlchemy 2 In Practice book teaches how to eliminate data duplication by creating multiple related tables using one-to-many relationships, a fundamental relational database design pattern. It covers when to use relationships, using the example of moving manufacturer data from a product table to a separate table. The article includes practical guidance on database design decisions and how to implement relationships in SQLAlchemy 2, aimed at developers working with Python and SQLAlchemy.

0 comments

#Python #orm #Sqlalchemy