Part I · The Spec

Chapters 2–4 are a complete reference for the GraphQL specification. If you want to get straight to coding, feel free to skip ahead to Chapter 5: Client Dev or Chapter 11: Server Dev and refer back here when necessary 😊. Or if you have the time and want a thorough base of understanding, take it in order.

• Chapter 2: Query Language
• Chapter 3: Type System
• Chapter 4: Validation & Execution

Chapter 2: Query Language

Background: JSON, Server

Chapter contents:

• Operations
• Document
• Selection sets
• Fields
• Arguments
• Variables
• Field aliases
• Fragments
  • Named fragments
    • Type conditions
  • Inline fragments
• Directives
  • @skip
  • @include
  • @deprecated
• Mutations
• Subscriptions
• Summary