Practical GraphQL - Become a GraphQL Ninja - Separating Models, Schemas and Resolvers – continued

The video tutorial explains the use of resolver functions in GraphQL, focusing on the four parameters: parent, arguments, context, and info. It details how to set up and use the context to share data across the GraphQL system, using a models file and a hypothetical logged-in user. The tutorial also covers accessing context in resolver functions and implementing it in mutations. Final adjustments and testing are demonstrated to ensure functionality.

What is the significance of the 'parent' parameter in resolver functions?

What changes need to be made to use models in the resolver functions?

What updates were necessary to fix the typing mistake in the resolvers?