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Which of the following best describes how a one-to-many relationship is queried in GraphQL?

easy📝 Conceptual Q2 of 15
GraphQL - Type Relationships
Which of the following best describes how a one-to-many relationship is queried in GraphQL?
AQuery the many side and request a single related one side item
BQuery the one side and request a list of related many side items
CQuery both sides separately without nesting
DQuery only the many side without referencing the one side
Step-by-Step Solution
Solution:

  1. Step 1: Understand querying one-to-many

    In one-to-many, you query the one side and get a list of many related items nested inside.

  2. Step 2: Match options to this behavior

    Query the one side and request a list of related many side items correctly describes querying the one side and getting a list of many related items.

  3. Final Answer:

    Query the one side and request a list of related many side items -> Option B

  4. Quick Check:

    Query one side to get many related items [OK]
Quick Trick: Query the 'one' side to get many related items [OK]
Common Mistakes:
  • Querying many side expecting a list of one side
  • Not nesting related fields in query
  • Ignoring the relationship direction

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