How can you optimize resolvers to avoid redundant data fetching when multiple fields require the same data source?

hard📝 Application Q9 of 15

GraphQL - Resolvers

AWrite separate resolvers for each field that fetch data independently

BUse the parent parameter to pass fetched data down to child resolvers

CAvoid using resolvers and fetch all data in the client

DUse global variables inside resolvers to store data

Step-by-Step Solution

Solution:

Step 1: Recognize data sharing in resolvers
Parent parameter can carry data fetched by a resolver to child resolvers.
Step 2: Apply this to avoid redundant fetching
Fetching data once in parent resolver and passing it down avoids repeated calls.
Final Answer:
Use the parent parameter to pass fetched data down to child resolvers -> Option B
Quick Check:
Parent passes data to children = A [OK]

Quick Trick: Pass data via parent to child resolvers to optimize [OK]

Common Mistakes:

Master "Resolvers" in GraphQL

9 interactive learning modes - each teaches the same concept differently

Want More Practice?

15+ quiz questions · All difficulty levels · Free

More GraphQL Quizzes