This tutorial provides a comprehensive guide on creating a GraphQL API using a MySQL database as a starting point. It walks through setting up a Node.js environment with the Express framework and Apollo tools to build a GraphQL endpoint for a ticketing system, allowing for data retrieval such as user details, status, and priority. The process includes creating database models with Sequelize, establishing database connections, and implementing GraphQL types and resolvers to facilitate queries and data relations. The tutorial also introduces the use of Docker for managing a local MySQL instance and suggests using Sequelize-Auto for automating model generation. By the end of the guide, users can construct a GraphQL API capable of handling nested queries to fetch related data, offering a foundation for more complex and customizable API development. Additionally, it highlights the use of tools like LogRocket for monitoring GraphQL requests and ensuring the reliability of the API in production environments.