Django select_related vs prefetch_related | Real World Examples with Performance Test | Beginners
In this video, we dive deep into Django's select_related and prefetch_related to optimize your database queries like a pro. Learn with real-world models (User, Product, Category, Order) how these tools reduce the number of queries and improve performance.
✅ Understand when and why to use select_related vs prefetch_related
✅ See real query time differences using Django's debug toolbar
✅ Learn class-based views optimization using get_queryset
✅ Add dummy product data using the Django shell
✅ Avoid common mistakes like NULL foreign keys
This is a must-watch for Django developers preparing for interviews or working on scalable apps.
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