Django Model Guide

A guide to designing robust, efficient data models using Django's powerful ORM with best practices for queries and migrations.

Usage

Ask about Django models, querysets, relationships, migrations, or ORM optimization.

Examples

• "Design a model with many-to-many relationships"
• "How do I optimize Django ORM queries to avoid N+1?"
• "Create a custom model manager with reusable querysets"

Guidelines

• Use select_related and prefetch_related to prevent N+1 queries
• Add database indexes for frequently queried fields
• Use custom managers for reusable query logic
• Write data migrations for schema changes that affect data
• Keep models focused with single responsibility principle