[Solved] Why is it important to specify the fields you want returned in an update mutation response? — Ans: GraphQL only returns the fields explicitly requested, saving bandwidth | GraphQL

GraphQL - Mutations

Why is it important to specify the fields you want returned in an update mutation response?

AGraphQL returns all fields by default, so specifying is optional

BGraphQL only returns the fields explicitly requested, saving bandwidth

CSpecifying fields causes the mutation to fail if fields don't exist

DReturned fields determine which records get updated

Step-by-Step Solution

Solution:

Step 1: Understand GraphQL response behavior
GraphQL returns only the fields explicitly requested in the mutation response.
Step 2: Recognize benefits of specifying fields
This saves bandwidth and improves performance by not sending unnecessary data.
Final Answer:
GraphQL only returns the fields explicitly requested, saving bandwidth -> Option B
Quick Check:
Returned fields must be requested to be included [OK]

Quick Trick: Always specify needed fields to get them back [OK]

Common Mistakes:

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Why is it important to specify the fields you want returned in an update mutation response?