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How does GraphQL improve performance when fetching data from multiple related resources?

hard📝 Application Q9 of 15
GraphQL - Basics and Philosophy
How does GraphQL improve performance when fetching data from multiple related resources?
ABy requiring multiple queries to avoid large responses
BBy automatically compressing all responses
CBy caching data only on the server side
DBy allowing clients to request all needed data in a single query
Step-by-Step Solution
Solution:

  1. Step 1: Understand data fetching in REST

    REST often requires multiple requests for related data, increasing latency.

  2. Step 2: Understand GraphQL's single query advantage

    GraphQL lets clients request all related data in one query, reducing network overhead.

  3. Final Answer:

    By allowing clients to request all needed data in a single query -> Option D

  4. Quick Check:

    GraphQL single query reduces multiple requests [OK]
Quick Trick: One query fetches multiple related resources in GraphQL [OK]
Common Mistakes:
  • Thinking GraphQL compresses responses automatically
  • Assuming caching is only server-side
  • Believing multiple queries improve performance

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