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What is the main purpose of input types in GraphQL?

easy📝 Conceptual Q1 of 15
GraphQL - Schema Definition Language (SDL)
What is the main purpose of input types in GraphQL?
ATo specify the output format of a query
BTo define the shape of data that can be sent as arguments to queries or mutations
CTo create new database tables
DTo style the GraphQL interface
Step-by-Step Solution
Solution:

  1. Step 1: Understand input types role

    Input types define what kind of data can be sent to GraphQL operations as arguments.

  2. Step 2: Differentiate from output types

    Output types describe what data is returned, not what is sent in.

  3. Final Answer:

    To define the shape of data that can be sent as arguments to queries or mutations -> Option B

  4. Quick Check:

    Input types = Define argument data shape [OK]
Quick Trick: Input types shape data sent to queries or mutations [OK]
Common Mistakes:
  • Confusing input types with output types
  • Thinking input types create database tables
  • Assuming input types affect UI styling

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