[Solved] Why must argument names and types be defined in the GraphQL schema when using query arguments? — Ans: To ensure clients pass valid arguments and server can validate them | GraphQL

GraphQL - Queries

Why must argument names and types be defined in the GraphQL schema when using query arguments?

ATo ensure clients pass valid arguments and server can validate them

BTo allow clients to create new arguments dynamically

CTo prevent any arguments from being passed in queries

DTo automatically generate database tables

Step-by-Step Solution

Solution:

Step 1: Understand schema role
The schema defines argument names and types so the server knows what to expect.
Step 2: Explain validation purpose
This allows the server to check if clients send correct arguments and reject invalid ones.
Final Answer:
To ensure clients pass valid arguments and server can validate them -> Option A
Quick Check:
Schema defines arguments for validation [OK]

Quick Trick: Schema defines arguments so server can validate client queries [OK]

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Why must argument names and types be defined in the GraphQL schema when using query arguments?