[Solved] Find the mistake in this query:{ author(id: 3) { name books { title, reviews { rating } } } } — Ans: Using commas between fields inside braces | GraphQL

GraphQL - Queries

Find the mistake in this query:

{ author(id: 3) { name books { title, reviews { rating } } } }

AMissing argument for books field

Breviews field should not be nested

CUsing commas between fields inside braces

Dauthor field cannot have nested fields

Step-by-Step Solution

Solution:

Step 1: Check GraphQL field syntax
GraphQL does not use commas between fields inside braces.
Step 2: Identify syntax error
The commas after title and before reviews cause syntax errors.
Final Answer:
Using commas between fields inside braces -> Option C
Quick Check:
No commas between fields in GraphQL queries [OK]

Quick Trick: Do not use commas between fields in GraphQL queries [OK]

Common Mistakes:

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