Practical GraphQL - Become a GraphQL Ninja - Introduction to GraphQL

This video tutorial introduces GraphQL, a query language for APIs, highlighting its advantages over REST, such as the ability to make a single request for complex data. It explains the concept of schemas and types in GraphQL, including non-nullable fields and custom scalars. The role of resolvers in defining data sources is discussed, along with a simple query example. The course project involves building a GraphQL server using Node.js, MySQL, and Apollo Server, with a brief mention of a React application to consume the GraphQL endpoint.

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