Главная ПРОБЛЕМА с UUID

🎯 Watch new videos before anyone else and support the project: https://boosty.to/nikolay-pavlin 🔍 Book on Python development best practices: https://t.me/pavlin_share/176 🚀 FastAPI template: https://t.me/pavlin_share/179 📢 Follow updates: https://t.me/pavlin_share Understanding the main problem with UUIDs in databases. In this video, you'll learn: Why UUIDs make your queries 5 times slower How a single database parameter can double the size of indexes Why switching to integer IDs won't solve your problems How UUID v7 solves all these problems and why large companies are switching to them In this video, we'll cover: Performance comparison on real data Demonstration of the index fragmentation problem Practical recommendations for choosing an ID type Real benchmarks on Django + PostgreSQL 0:00 Introduction 1:20 Primary key theory 6:30 Models 8:00 Preparing data for the benchmark 8:20 Data insertion results 9:00 Benchmark