Practical GraphQL - Become a GraphQL Ninja - Basic GraphQL Queries and Types

The video tutorial explains how to use GQL from the Apollo Server package to create type definitions and resolvers for GraphQL queries. It covers defining a custom user type with non-nullable fields and adding resolvers to fetch data. The tutorial also demonstrates testing GraphQL queries using tools like Insomnia and the Apollo Server's GraphQL playground. Finally, it recaps the session and outlines future steps for developing a GraphQL endpoint capable of interacting with a database.

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