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Given this GraphQL query on a many-to-many schema:

medium📝 query result Q13 of 15
GraphQL - Type Relationships
Given this GraphQL query on a many-to-many schema:
query { students { name courses { title } } }

What will the result include?
AA list of students with their names and a list of their enrolled courses' titles
BOnly student names without any course information
COnly course titles without student names
DAn error because nested queries are not allowed
Step-by-Step Solution
Solution:
  1. Step 1: Understand the query structure

    The query requests students with their name and nested courses with title.
  2. Step 2: Interpret many-to-many data fetching

    Since courses is a list on Student, the result includes each student's name and their list of course titles.
  3. Final Answer:

    A list of students with their names and a list of their enrolled courses' titles -> Option A
  4. Quick Check:

    Nested lists fetch related data [OK]
Quick Trick: Nested fields fetch linked many-to-many data [OK]
Common Mistakes:
  • Expecting only flat data without nested lists
  • Thinking nested queries cause errors
  • Ignoring the many-to-many list structure

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