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Introduction to Type System and Language

Explore the fundamental concepts of GraphQL's type system and schema language. Understand how schemas define the data types and operations available on a GraphQL server. Gain insight into how queries are validated and executed, preparing you to build and interact with GraphQL APIs confidently.

We'll cover the following...

Type system

We know from the previous lessons that GraphQL selects fields on objects and decides what operation to request. Let’s try breaking down the following GraphQL query:

{
  pizzas {
    id
    name
  }
}
  1. We ...