[Solved] If a client sends a mutation to the GraphQL single endpoint to add a user:mutation { addUser(name: "Anna") { id name } }What is the expected output? | GraphQL

GraphQL - Basics and Philosophy

If a client sends a mutation to the GraphQL single endpoint to add a user:

mutation { addUser(name: "Anna") { id name } }

What is the expected output?

AAn error because mutations are not allowed

BThe new user's id and name

COnly the user's name without id

DA list of all users

Step-by-Step Solution

Solution:

Step 1: Understand mutation request
The mutation requests to add a user named Anna and asks for id and name in response.
Step 2: Expected server behavior
The server processes the mutation and returns the new user's id and name as requested.
Final Answer:
The new user's id and name -> Option B
Quick Check:
Mutation returns requested fields = id and name [OK]

Quick Trick: Mutations return requested fields after changes [OK]

Common Mistakes:

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