Beginner GraphQL Interview Questions
Starting out with GraphQL? These 14 beginner-friendly GraphQL interview questions cover the fundamentals hiring managers expect from entry-level candidates — with plain-English answers, runnable code and the mistakes that trip people up.
14 GraphQL questions
- 1What does non-nullable (required) mean in a GraphQL schema?Beginner
- 2What is GraphiQL (or GraphQL Playground)?Beginner
- 3How do you pass arguments to a GraphQL field?Beginner
- 4What is a Resolver in GraphQL?Beginner
- 5What are the default Scalar types in GraphQL?Beginner
- 6What is a Mutation in GraphQL?Beginner
- 7What is a Query in GraphQL?Beginner
- 8What is the GraphQL Schema Definition Language (SDL)?Beginner
- 9What are the main differences between GraphQL and REST?Beginner
- 10What is GraphQL?Beginner
- 11GraphQL Interview Question 4 (Free)Beginner
- 12GraphQL Interview Question 1 (Free)Beginner
- 13GraphQL Advanced Interview Question 10Beginner
- 14GraphQL Advanced Interview Question 7Beginner
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Frequently asked questions
How many beginner GraphQL interview questions are there?
This page covers 14 beginner-level GraphQL interview questions, each with a short answer, a deeper explanation, code examples, common mistakes and follow-up questions.
Are these GraphQL questions suitable for beginner interviews?
Yes. Every question is tagged beginner difficulty and chosen to match what interviewers expect at that level, so you can focus your preparation without wading through questions that are too easy or too hard.
How should I practise these GraphQL questions?
Read the short answer first, attempt the question yourself, then expand the detailed explanation and real-world example. Review the common mistakes and follow-up questions to make sure you can handle interviewer probing.