Bird
0
0

How does requesting specific fields in a GraphQL query help when combining data from multiple related types?

hard📝 Application Q9 of 15
GraphQL - Queries
How does requesting specific fields in a GraphQL query help when combining data from multiple related types?
AIt disables nested queries to simplify data
BIt forces the server to merge all fields into one flat list
CIt allows fetching only necessary fields from each related type, reducing data size
DIt requires separate queries for each related type
Step-by-Step Solution
Solution:

  1. Step 1: Understand GraphQL's nested querying

    GraphQL supports nested queries to fetch related types in one request.

  2. Step 2: Recognize benefit of field selection per type

    Requesting specific fields per type reduces data size and improves efficiency.

  3. Final Answer:

    It allows fetching only necessary fields from each related type, reducing data size -> Option C

  4. Quick Check:

    Selective fields per related type reduce data size [OK]
Quick Trick: Select fields per type to minimize data [OK]
Common Mistakes:
  • Thinking server merges all fields flatly
  • Believing nested queries are disabled
  • Assuming separate queries are needed

Want More Practice?

15+ quiz questions · All difficulty levels · Free

Free Signup - Practice All Questions
More GraphQL Quizzes
GraphQL Basics and Philosophy - First GraphQL query - Quiz 5medium Mutations - Mutation return types - Quiz 1easy Mutations - Why mutations modify data - Quiz 7medium Mutations - Mutation syntax - Quiz 9hard Mutations - Why mutations modify data - Quiz 11easy Queries - Basic query syntax - Quiz 12easy Queries - Query variables - Quiz 10hard Queries - Field selection - Quiz 12easy Schema Definition Language (SDL) - Scalar types (String, Int, Float, Boolean, ID) - Quiz 2easy Type Relationships - Why relationships model real data - Quiz 12easy