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What is a many-to-many relationship in GraphQL?

easy📝 Conceptual Q1 of 15
GraphQL - Type Relationships
What is a many-to-many relationship in GraphQL?
AA connection where one record relates to only one record in another type
BA connection where multiple records in one type relate to multiple records in another type
CA connection where one record relates to many records but not vice versa
DA connection where no records relate between types
Step-by-Step Solution
Solution:

  1. Step 1: Understand relationship types

    A many-to-many relationship means multiple items in one type connect to multiple items in another type.

  2. Step 2: Compare options

    A connection where multiple records in one type relate to multiple records in another type correctly describes this two-way multiple connection, unlike others which describe one-to-one or one-to-many.

  3. Final Answer:

    A connection where multiple records in one type relate to multiple records in another type -> Option B

  4. Quick Check:

    Many-to-many relationship = A [OK]
Quick Trick: Many-to-many means multiple items connect both ways [OK]
Common Mistakes:
  • Confusing many-to-many with one-to-many
  • Thinking many-to-many means one-to-one
  • Ignoring the two-way connection

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