GraphQL Author-Book API

GraphQL API for managing authors, books, and reviews. Demonstrates N+1 problem solving with DataLoader.

IntermediateJavaSpring BootGraphQLPostgreSQLDataLoader

🏗️ Architecture Overview

Single GraphQL endpoint with resolvers for Author, Book, and Review types. DataLoader for batching DB queries.

// High-level architecture

Java→

Spring Boot→

GraphQL

↓ PostgreSQL + DataLoader

✓GraphQL schema design

✓Nested queries

✓DataLoader for N+1 fix

✓Mutations and subscriptions

GraphQL basics

Spring GraphQL

DataLoader pattern

Schema design

JavaSpring BootGraphQLPostgreSQLDataLoader

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