Miguel Grinberg • 4/16/2026

SQLAlchemy 2 In Practice - Chapter 5 - Advanced Many-To-Many Relationships

This article is Chapter 5 of the SQLAlchemy 2 In Practice series, focusing on advanced many-to-many relationships. It explains how to handle join tables with additional data columns (like quantity and unit price) using SQLAlchemy 2, using a practical example of an ordering subsystem with customers, orders, and products. The chapter covers modeling these relationships with less automatic workflows and provides code examples for implementing Customer and Order models.

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#Python #database #orm