GraphQL - Queries
Why does GraphQL require explicit nested field queries instead of returning all nested data by default?
Why does GraphQL require explicit nested field queries instead of returning all nested data by default?
hard📝 Conceptual Q10 of 15
Step-by-Step Solution
Solution:
Step 1: Understand GraphQL's design goal
GraphQL lets clients specify exactly what data they want to avoid over-fetching.Step 2: Reason why nested data is explicit
Returning all nested data by default can cause large, unnecessary data transfer and slow performance.Final Answer:
To reduce over-fetching and improve performance -> Option AQuick Check:
Explicit queries reduce over-fetching [OK]
Quick Trick: Explicit queries avoid fetching unwanted nested data [OK]
Common Mistakes:
- Thinking nested data is unavailable by default
- Assuming nested data is blocked for security
- Believing GraphQL cannot handle nested data
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