Teach Cloud - Cloud, DevOps, and Python Backend Development Blog

❓ Quiz Question

Aug 30, 2026

Quiz: What is the difference between `makemigrations` and `migrate` in Django?

makemigrations inspects `models.py` to compile SQL migration files; migrate applies pending migrations to the database.

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❓ Quiz Question

Aug 30, 2026

select_related uses SQL JOINs in a single query; prefetch_related executes separate lookups and performs Python-side joining for collections.

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❓ Quiz Question

Aug 30, 2026

null=True is database-related (storing NULL values); blank=True is validation-related (allowing empty inputs in forms).

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❓ Quiz Question

Aug 30, 2026

F() expressions reference model field values directly in database queries, preventing race conditions during atomic updates.

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❓ Quiz Question

Aug 30, 2026

DRF Serializers handle serialization (model -> JSON) and deserialization (JSON -> validated model instances).

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❓ Quiz Question

Aug 30, 2026

The SECRET_KEY provides salt for cryptographic signatures; exposing it compromises session security and forgery protections.

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❓ Quiz Question

Aug 30, 2026

Context Processors run on every request, populating global template context variables (e.g. `request`, `user`, `messages`).

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❓ Quiz Question

Aug 30, 2026

get_object_or_404() simplifies view logic by catching missing model exceptions and returning a standard 404 response.

#Django Web Framework #Quiz #Interactive