GraphQL - Type Relationships
You want to optimize nested resolver execution to avoid multiple database calls for posts of many users. Which approach helps most?
You want to optimize nested resolver execution to avoid multiple database calls for posts of many users. Which approach helps most?
hard📝 Application Q8 of 15
Step-by-Step Solution
Solution:
Step 1: Identify problem with multiple calls
Calling posts resolver for each user causes many database queries.Step 2: Use batching to reduce calls
DataLoader batches requests to fetch posts for many users in one query.Final Answer:
Batch posts fetching using DataLoader or similar tool -> Option AQuick Check:
Batching reduces DB calls [OK]
Quick Trick: Batch nested data fetching to improve performance [OK]
Common Mistakes:
- Calling resolver separately without batching
- Removing needed schema fields
- Using blocking calls causing slowdowns
Master "Type Relationships" in GraphQL
Want More Practice?
15+ quiz questions · All difficulty levels · Free
Free Signup - Practice All QuestionsMore GraphQL Quizzes