What is prefetch_related() in Django - Optimize Your Queries Like a Pro
🔍 In this video, you'll learn:
✅ What is prefetch_related() in Django?
✅ When to use prefetch_related() vs select_related()
✅ How to optimize reverse ForeignKey lookups & ManyToMany relationships
✅ Avoiding the N+1 query problem to improve performance 🚀
👨💻 Project Setup:
We'll work with Posts, Authors, Comments, and Tags models and see how prefetch_related() can reduce database queries and speed up Django applications.
🔗 Related Videos:
👉 Learn select_related(): • What is selected_related() in Django - Opt...
💡 Timestamps:
00:00 - Introduction
00:47 - Project Setup Overview
02:11 - Forward Lookup
04:59 - Reverse Lookup
07:40 - prefetch_related() on Reverse Lookup queries
12:37 - prefetch_related() on ManyToMany Relationships
18:17 - Thank you, please subscribe❤️
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#Django #DjangoORM #prefetch_related #select_related #Python #WebDevelopment #DjangoPerformance #SQLOptimization
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