9/11/2023 0 Comments Postman graphql mutation![]() ![]() Query - Similar to GET call in REST and used by the client to query the fields.Schema - The contract between the GraphQL client and the GraphQL server.The main terms used most commonly in GraphQL are: It gives control to the user to query what he needs, thus reducing the payload on the network. This helps with improved network performance and avoids the over-fetching/under-fetching data problem. The client sends a single query with the required fields. Data Fetching Strategy: In GraphQL, we have only one endpoint.There is no hassle of maintaining multiple URI’s. In GraphQL, all resources are identified by a single endpoint. This makes the client obliged to know each endpoint. Endpoint: In REST, each resource is identified by a URI.This reduces network overload by fetching the smallest data possible. Network Performance: When UI invokes a REST API, it will not have any control over the response data, whereas GraphQL provides a mechanism to specify the fields of interest in response.We are all so comfortable with REST, so the question is, "Is GraphQL better than REST?" Previously, this was the best fit because the development pace wasn’t as fast as it is today. REST web services are one of the most popular architectures to expose data from the backend. API interface is written to facilitate this. The basic need of most applications is to fetch data from the backend, which could be a database, a third-party application, NFS, etc.
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