[Solved] Identify the mistake in this GraphQL fragment usage:fragment ProfileInfo on Profile { id name } query { profile { ...ProfileInfo } fragment ProfileInfo on Profile { email } } | GraphQL

GraphQL - Queries

Identify the mistake in this GraphQL fragment usage:

fragment ProfileInfo on Profile { id name } query { profile { ...ProfileInfo } fragment ProfileInfo on Profile { email } }

AThe query is missing a root field

BThe fragment is not spread correctly inside the query

CFragments cannot be used inside queries

DThe fragment <code>ProfileInfo</code> is defined twice

Step-by-Step Solution

Solution:

Step 1: Check fragment definitions
The fragment ProfileInfo is declared twice with different fields.
Step 2: Understand GraphQL rules
Fragments must have unique names; redefining causes errors.
Final Answer:
The fragment ProfileInfo is defined twice -> Option D
Quick Check:
Fragment names must be unique in a document [OK]

Quick Trick: Avoid duplicate fragment names in the same document [OK]

Common Mistakes:

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