What is a GraphQL resolver?

Related questions

1. What was Apollo's purpose?
2. What is BFF pattern?
3. What does Apollo mean today?
4. What is an Apollo server?
5. What does Apollo server do?
6. What is after REST API?
7. What database does GraphQL use?
8. What is a mutation in GraphQL?
9. Who did Apollo kill?
10. Is GraphQL restful?

Tags

1. #graphql
2. #generate
3. #handler
4. #response
5. #functions
6. #resolver
7. #collection
8. #terms
9. #simple
10. #query