Execution in GraphQL
- Execution in GraphQL involves taking a query string, parsing it into an Abstract Syntax Tree (AST) and validating it against the schema and then executing it by resolving each field with its corresponding resolver function.
- Resolver functions fetch the data for their fields, populating a result object that mirrors the query structure.
Execution in GraphQL
GraphQL is an application layer for querying and mutating data in APIs built on the concept of a type system that you define for the data with which your application is built. GraphQL API differs from the traditional REST API as it makes client’s queries efficient and flexible allowing them to ask for the exact data they need. In this article, we will learn Execution in GraphQL with their working in details.