GraphQL is a query language for APIs with this client can define what they need and server get exactly that, nothing more and nothing less.

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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

Which HTTP methods are used by GraphQL for client-server communication?


Which HTTP methods are used by GraphQL for client-server communication?

**(Select all that apply.)** Which statements are necessary when handling authorization for GraphQL in a production environment?


(Select all that apply.) Which statements are necessary when handling authorization for GraphQL in a production environment?

The GraphQL server client can prevent any breaking change by adding new fields and only requesting necessary fields.


The REST API provides the client with multiple endpoints, such as `/pizzas/v1` and `/pizzas/v2`. 

The GraphQL ensures that all data sent from the client to the server always follows the contract.


The REST server can’t guarantee fields that are requested by the client.


**(Select all that apply.)** Which statements about Graph QL are correct?


(Select all that apply.) Which statements about Graph QL are correct?

Test your understanding of GraphQL best practices


Quiz on GraphQL Best Practices

Test your understanding of GraphQL best practices

Introduction

Getting to Know GraphQL

Queries

Mutations

Schemas and Types

Schema Validation

Schema Execution

Schema Introspection

GraphQL Best Practices

GraphQL Exam

Quiz on GraphQL Best Practices