What is GraphQL? | Advantages, Architecture, Query Flow Explained with Diagram
Автор: Backend Mastery
Загружено: 2025-12-04
Просмотров: 21
GraphQL is a powerful API query language that allows clients to request exactly the data they need — no more over-fetching or under-fetching like in REST.
In this video, I explain:
• What GraphQL is
• Why GraphQL was created
• How queries, schemas, and resolvers work
• Advantages and disadvantages of GraphQL
• How GraphQL handles client–server communication
• Real-world architecture diagram for GraphQL
🔍 What you’ll learn:
• GraphQL Introduction
• When to use GraphQL vs REST
• Strongly typed schema
• Real-time updates using subscriptions
• How GraphQL reduces unnecessary network calls
• Why some queries can be heavy for servers (disadvantages)
💬 If you want full videos on REST, GraphQL, Kafka, RabbitMQ, SQS, Microservices, and Security and Master System Design concepts as well then goto my Udemy Course:
👇 My Udemy Course Link:
https://bit.ly/4ou5otr
📌 Best For:
Backend Developers, Microservices Engineers, Cloud Engineers, DevOps Engineers, and Students learning modern APIs.
📚 Recommended Udemy Course Sections:
👉 API & Messaging Systems (REST, gRPC, GraphQL, Kafka, RabbitMQ)
👉 Microservices Architecture Explained
👉 Security & Authentication (JWT, OAuth, OIDC)
#graphql #api #backenddevelopment #softwareengineering #microservices #restapi
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