Every article tagged GraphQL, in one place.
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GraphQL and REST both work well. The right choice depends on your clients, your data and your team, not on which one is newer. The core difference With REST, the server decides the shape of each endpoint's response. With GraphQL, the client asks for exactly th...
A GraphQL server needs two things: a schema describing types and operations, and resolvers that fetch the data for each field. Setup npm install @apollo/server graphql Schema and resolvers // server.js import { ApolloServer } from '@apollo/server'; import { st...
Fetch 50 books with their authors, and a naive server runs 1 query for the books plus 50 queries for authors. That's the N+1 problem , and it's the most common GraphQL performance issue. Why it happens Book: { // called once per book, each with its own query a...
