Django - REST Framework Basics
Which generic view class in Django REST Framework is used to retrieve a single model instance?
Which generic view class in Django REST Framework is used to retrieve a single model instance?
easy📝 Conceptual Q1 of 15
Step-by-Step Solution
Solution:
Step 1: Understand the purpose of RetrieveAPIView
RetrieveAPIView is designed to fetch a single instance of a model based on the URL parameters.Step 2: Compare with other generic views
ListAPIView returns multiple instances, CreateAPIView creates new instances, and UpdateAPIView updates existing ones.Final Answer:
RetrieveAPIView -> Option CQuick Check:
Retrieve single instance = RetrieveAPIView [OK]
Quick Trick: Retrieve single item with RetrieveAPIView [OK]
Common Mistakes:
MISTAKES- Confusing ListAPIView with RetrieveAPIView
- Using CreateAPIView for retrieval
- Using UpdateAPIView for fetching data
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