GraphQL Mutations Crash Course 🔥 | Create, Update, and Delete Data Step-by-Step (Beginner Friendly)

Welcome to Episode 7 of the GraphQL Crash Course! In this beginner-friendly tutorial, you'll learn how to perform GraphQL mutations step-by-step — including how to create, update, and delete data using Apollo Server. If you’ve been using GraphQL just for reading data, now is the time to level up. This episode covers everything from defining mutation types to writing resolvers and testing your mutations in the UI. 🚀 ✅ Perfect for beginners ✅ Hands-on coding examples ✅ Simple English explanations ✅ Real use cases: blog posts, users, comments Whether you're building a full-stack app or just starting your GraphQL journey, this tutorial will help you understand the real power of mutations. 👉 What You'll Learn in This Video: What GraphQL mutations are and when to use them How to delete a post and return the updated list How to update an item using optional input fields How to create new content dynamically How to test all these actions in your GraphQL Playground or Apollo Explorer 🔔 Subscribe to get notified when we release Episode 8 — all about creating users, comments, and validating inputs. And stay tuned for our upcoming GraphQL Performance Series, where we’ll dive into making your APIs blazing fast on both the client and server! ⏱️ Timestamps 00:00 – What is a GraphQL Mutation and Why You Need It 01:00 – How to Create a Delete Mutation in GraphQL Schema and Resolvers 04:38 – Testing the Delete Mutation in Apollo Explorer (UI Demo) 06:22 – How to Create an Update Mutation with Optional Inputs 09:44 – Testing the Update Mutation in Apollo Explorer (Live Demo) 11:48 – How to Create a New Post Using GraphQL Create Mutation 15:08 – Testing Create Mutation in the UI with Real Data