Unions
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What is Unions?
Unions allow fields to return multiple types, enabling different handling for various types in clients. They provide schema flexibility by grouping types together, though they don't allow common field querying across types like interfaces do.
Free resources to learn Unions
- Official docsGet started with Union in GraphQL
More in stage 6: Validation
Unions: common questions
Can I learn Unions in Hindi?
This lesson is written in English. Once you sign in, open it in the interactive course and ask the AI tutor to explain Unions in Hindi or Hinglish. The tutor answers from this lesson’s own text, so it stays on the syllabus, and it runs on your own Google, OpenAI or Anthropic key.
Is this Unions tutorial for beginners?
It is lesson 33 of 65 in the free GraphQL roadmap, in stage 6, Validation. If you are new to GraphQL, start from stage 1 and come back here in order; if you already know the earlier stages, this lesson stands on its own.