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What is the main purpose of a mutation in GraphQL?

easy📝 Conceptual Q11 of 15
GraphQL - Mutations
What is the main purpose of a mutation in GraphQL?
ATo modify data by adding, updating, or deleting it
BTo only fetch data without changes
CTo define the schema structure
DTo create a new query type
Step-by-Step Solution
Solution:

  1. Step 1: Understand the role of mutations

    Mutations are designed to change data, unlike queries which only fetch data.

  2. Step 2: Identify the correct purpose

    Since mutations add, update, or delete data, their main purpose is to modify data.

  3. Final Answer:

    To modify data by adding, updating, or deleting it -> Option A

  4. Quick Check:

    Mutation = Modify data [OK]
Quick Trick: Mutations always change data, queries only read data [OK]
Common Mistakes:
  • Confusing mutations with queries
  • Thinking mutations only fetch data
  • Believing mutations define schema only

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