Welcome to SakuraDev! In this video, you'll dive deep into GraphQL with NestJS β the ultimate guide to building efficient, scalable APIs. Whether you're a backend developer, a full-stack engineer, or just exploring GraphQL basics, this tutorial has everything you need to master both GraphQL and NestJS. π Why Should You Learn GraphQL? β Write flexible, efficient queries for modern apps β Reduce over-fetching and under-fetching issues compared to REST β Perfect for microservices and scalable backends π‘ Join our dev community: Become a Member π₯ What You'll Learn in This Tutorial: β What is GraphQL? π€ β GraphQL vs REST APIs β Key Differences π β How GraphQL Works Behind the Scenes π§ β Schema First vs Code First in GraphQL π β Writing Queries & Mutations π β GraphQL Resolvers in NestJS π― β Handling Nested Objects & Lazy Loading π β Input Validation, Error Handling & Enums β οΈ β Efficient Data Fetching with Custom Resolved Fields π β Creating, Updating, and Deleting Data Using Mutations π π Chapters & Timestamps: β³ 0:00 Intro π 1:54 What is GraphQL? π 2:22 GraphQL vs REST API βοΈ 3:05 How GraphQL Works Behind the Scene π 3:20 Understanding the GraphQL Schema π‘ 4:57 Code First vs Schema First Approach π 5:37 Example of a Query π 6:23 Example of a Mutation π― 7:33 Creating a Simple Resolver π 8:09 GraphQL Request-Response Lifecycle π 9:18 Setting Up GraphQL in a NestJS Project βοΈ 12:04 Configure GraphQL in NestJS π οΈ 13:57 Writing the First GraphQL Resolver β 15:41 Running Your First Query π 17:40 GraphQL Object Types π 27:48 Resolving Nested Objects in GraphQL & NestJS β‘ 29:16 Efficient Nested Types with Lazy Loading π¬ 31:34 Custom GraphQL Resolved Fields π 35:30 Using Arguments for Queries π¨ 38:49 Error Handling with Exception Filters π» 44:08 Creating Mutations in GraphQL π οΈ 45:36 GraphQL Input Types in NestJS β 48:53 Input Validation in GraphQL π 50:44 Updating Data with Mutations ποΈ 55:44 Removing Data with Mutations π² 57:43 Handling Enums in GraphQL π Why Watch This GraphQL + NestJS Course? β High RPM Focus: GraphQL APIs, Backend Development, Full-Stack Engineering π° β Comprehensive Coverage: Covers everything from setup to advanced concepts like lazy loading and custom resolvers π― β Perfect for Modern API Development β Boosts performance, scalability & developer productivity β‘ β Real-World Code Examples for Practical Learning π¨βπ» https://github.com/vahid-nejad/nestjs-graphql-course π¬ Got questions? Comment below β Iβm here to help! π Like, Subscribe, and Hit the Bell for more NestJS & GraphQL tutorials!