How should you implement resolvers to fetch a user's profile and their associated posts from different data sources in GraphQL?

hard📝 Application Q8 of 15

GraphQL - Resolvers

Create separate resolvers for <code>userProfile</code> and <code>posts</code> fields, each fetching data from their respective sources

BFetch all data in the schema definition without resolvers

CCombine all data fetching in a single resolver ignoring schema fields

DUse only one resolver for the root query that returns all nested data

Step-by-Step Solution

Solution:

Step 1: Understand resolver responsibilities
Resolvers connect schema fields to their data sources, allowing modular data fetching.
Step 2: Apply modular resolver design
Separate resolvers for userProfile and posts allow fetching from different sources efficiently.
Final Answer:
Create separate resolvers for userProfile and posts fields, each fetching data from their respective sources -> Option A
Quick Check:
Resolvers map schema fields to data sources modularly [OK]

Quick Trick: Use one resolver per field to connect schema to data source [OK]

Common Mistakes:

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