[Solved] Why does GraphQL enforce enum values to be uppercase and not allow lowercase or mixed case? — Ans: To distinguish enum values from field names and improve readability | GraphQL

GraphQL - Schema Definition Language (SDL)

Why does GraphQL enforce enum values to be uppercase and not allow lowercase or mixed case?

ABecause lowercase enum values cause runtime errors

BTo distinguish enum values from field names and improve readability

CTo match JSON naming conventions

DBecause GraphQL only supports uppercase strings

Step-by-Step Solution

Solution:

Step 1: Understand GraphQL naming conventions
Uppercase enum values help distinguish them from fields and improve schema clarity.
Step 2: Evaluate other options
Lowercase does not cause errors; JSON allows mixed case; GraphQL supports all strings.
Final Answer:
To distinguish enum values from field names and improve readability -> Option B
Quick Check:
Uppercase enum values improve clarity and distinction [OK]

Quick Trick: Uppercase enum values improve schema clarity and avoid confusion [OK]

Common Mistakes:

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Why does GraphQL enforce enum values to be uppercase and not allow lowercase or mixed case?