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Which syntax correctly nests a serializer called AuthorSerializer inside a BookSerializer?

easy📝 Syntax Q3 of 15
Django - DRF Advanced Features
Which syntax correctly nests a serializer called AuthorSerializer inside a BookSerializer?
Aauthor = serializers.PrimaryKeyRelatedField()
Bauthor = AuthorSerializer()
Cauthor = serializers.SerializerMethodField()
Dauthor = serializers.CharField()
Step-by-Step Solution
Solution:

  1. Step 1: Identify correct nested serializer syntax

    To nest a serializer, assign an instance of the serializer class as a field.

  2. Step 2: Check options

    author = AuthorSerializer() uses AuthorSerializer() correctly. Options A, B, and C use other field types not for nesting serializers.

  3. Final Answer:

    author = AuthorSerializer() -> Option B

  4. Quick Check:

    Nested serializer syntax = serializer instance assignment [OK]
Quick Trick: Nest serializers by assigning serializer instances as fields [OK]
Common Mistakes:
MISTAKES
  • Using CharField instead of serializer instance
  • Confusing SerializerMethodField with nested serializer
  • Using PrimaryKeyRelatedField for full nested data

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