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In GraphQL, what is the main function of a mutation operation?

easy📝 Conceptual Q1 of 15
GraphQL - Mutations
In GraphQL, what is the main function of a mutation operation?
ATo modify server-side data
BTo fetch data without changes
CTo define schema types
DTo subscribe to real-time updates
Step-by-Step Solution
Solution:

  1. Step 1: Understand GraphQL operations

    GraphQL has queries, mutations, and subscriptions.

  2. Step 2: Identify mutation purpose

    Mutations are used to create, update, or delete data on the server.

  3. Final Answer:

    To modify server-side data -> Option A

  4. Quick Check:

    Mutations change data, queries only read data. [OK]
Quick Trick: Mutations always change data on the server [OK]
Common Mistakes:
  • Confusing mutations with queries
  • Thinking mutations fetch data without changes

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