[Solved] Given a GraphQL single endpoint receiving this query:{ book(id: "5") { title author } }What will the server return? | GraphQL

GraphQL - Basics and Philosophy

Given a GraphQL single endpoint receiving this query:

{ book(id: "5") { title author } }

What will the server return?

AThe title and author of the book with id 5

BAn error because multiple fields are requested

COnly the book id without title or author

DA list of all books ignoring the id

Step-by-Step Solution

Solution:

Step 1: Analyze the query structure
The query requests the book with id 5 and asks for title and author fields.
Step 2: Understand GraphQL response
The server returns exactly the requested fields for the specified id.
Final Answer:
The title and author of the book with id 5 -> Option A
Quick Check:
GraphQL returns requested fields = Title and author [OK]

Quick Trick: GraphQL returns only requested fields for given id [OK]

Common Mistakes:

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