Introduction to GraphQL

📄️ Class 1: Introduction to GraphQL

Learn what GraphQL is, why to use it, and how it differs from REST.

How did we get where we are now? Let's discover how GraphQL was created at Facebook and evolved into a mainstream API technology.

Learn about the fundamental building blocks that define every GraphQL API.

Learn how to fetch data from a GraphQL server, and master it with aliases, fragments, variables, and directives.

Learn how to modify data with GraphQL mutations - creating, updating, and deleting resources.

Understand real-time data delivery with GraphQL subscriptions.

Discover how GraphQL APIs describe themselves through introspection.

Understand how GraphQL handles errors and how to design for graceful failures.

Understand how GraphQL validates and executes queries step by step.

Learn proven patterns and conventions for designing effective GraphQL schemas.