Mutations in GraphQL
- Mutations in GraphQL are embedded in the schema and are used to write data to the server.
- Every mutation can have an argument to take in the desired data to be modified and every mutation can also have a return value of data.
- Before moving on, let’s take a step-by-step approach to how to set the mutation with Express. js and Express-GraphQL.
Mutations in GraphQL
GraphQL is a query language for REST APIs created by Facebook which is designed to provide more efficiency, flexibility, and superiority in data handling.
While GraphQL queries are used to retrieve information, mutations are used to perform data operations on the server, similar to HTTP Commands like POST, PUT, PATCH, and DELETE in REST APIs. In this article, We will learn about the Mutations in GraphQL in detail.