Database Indexing Explained (Watch at 1.5×) | How Indexes Boost Performance + Real Demo скачать в хорошем качестве

Database Indexing Explained (Watch at 1.5×) | How Indexes Boost Performance + Real Demo

Learn how database indexing actually works and why it drastically improves query performance. We start with the core concept of indexing, explain it using simple examples, and then dive into how time complexity changes with and without indexes. In this video, you’ll see: What database indexing is and why it exists Indexing explained with real-world and SQL examples How query time complexity changes (full scan vs indexed lookup) Live demo showing performance before and after indexing Practical proof of improvement using execution plans and timings GitHub repo link for sql script - https://github.com/raghuveer-rohine/d... 📘 Hands-on AWS ECS Deployment This system design series focuses on architecture and concepts. If you want to actually DEPLOY Spring Boot microservices securely on AWS ECS, I’ve created a complete, hands-on Udemy course. What you’ll learn (end-to-end, production focused): • Dockerize multiple Spring Boot microservices • Push images to Amazon ECR and manage versions • Design secure AWS networking (VPC, private subnets, NAT, security groups) • Create ECS clusters, task definitions, and services • Configure Application Load Balancer and target groups • Use AWS Parameter Store for secure configuration management • Integrate API Gateway with ECS using VPC Links • Enable service discovery and Service Connect for inter-service communication • Configure logging and monitoring using CloudWatch • Implement ECS service auto-scaling with alarms • Build a CI/CD pipeline using AWS CodeBuild and pipelines for automated deployments 🎥 Course preview on YouTube:    • Deploy Spring Boot Microservices on AWS EC...   👉 Full Udemy course (hands-on walkthrough): https://www.udemy.com/course/deployin...