Introduction about GraphQL in Magento2.x – Part-2:

Before start using the GraphQL service, we need to understand the basics with in below topic of GraphQL.

Queries and Mutations in GraphQL:

  1. Fields
  2. Arguments
  3. Aliases
  4. Fragments
  5. Operation name
  6. Variables
  7. Directives
  8. Mutations
  9. Inline Fragments

Schemas and Types :

  1. Type System
  2. Type Language
  3. Object Types and Fields
  4. Arguments
  5. The Query and Mutation Types
  6. Scalar Types
  7. Enumeration Types
  8. Lists and Non-Null
  9. Interfaces
  10. Union Types
  11. Input Types

To get in-depth detail for above points please refer https://graphql.github.io/learn/queries/