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GraphQL is a query language for web APIs and a runtime for fulfilling queries with existing data. GraphQL gives clients the power to ask for precisely what they need, making it easy to evolve APIs with powerful developer tools.

This course is an introduction to GraphQL using the Node.js JavaScript runtime environment and Apollo Server. You’ll start with an introduction to GraphQL’s architecture and functions before exploring the structure of GraphQL data and learning to perform meaningful, complex queries. You’ll then learn how to update server data using mutations. Next, you’ll explore the GraphQL type system and schemas to set up a GraphQL server using Apollo Server. Once the server is set up, you’ll implement a full GraphQL application using Apollo and Node.js.

By the end of this course, you’ll have a rich understanding of GraphQL’s architecture and methodology and be prepared to deploy GraphQL applications to the web using Apollo and Node.js.

Getting Started with GraphQL using Node.js

GraphQL can only be implemented in JavaScript.

GraphQL is only concerned with query and mutation.


GraphQL has a type system and a type language.


Which type is not a valid component on GraphQL type system and language?


<p>Which type is not a valid component on GraphQL type system and language?</p>


GraphQL union types don’t specify any standard fields between the types.

GraphQL union types return more than one concrete object type.

GraphQL union types enforce any necessary property for the object type.


GraphQL union types are not allowed to make interfaces or from other union types.

Which statement below correctly describes a GraphQL union type?


<p>Which statement below correctly describes a GraphQL union type?</p>


Test your knowledge of GraphQL schemas and types.


Quiz on Schema and Types

Test your knowledge of GraphQL schemas and types.

Introduction

Getting to Know GraphQL

Queries

Mutations

Schemas and Types

Schema Validation

Schema Execution

Schema Introspection

GraphQL Best Practices

GraphQL Exam

Quiz on Schema and Types