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

❓ Quiz Question

Aug 30, 2026

Quiz: What is the OpenAPI Specification (formerly Swagger)?

The OpenAPI Specification standardizes API documentation, client SDK generation, and mock server creation.

#REST API & Web Services #Quiz #Interactive

❓ Quiz Question

Aug 30, 2026

EXPLAIN (or EXPLAIN ANALYZE ) shows how database engines execute queries, highlighting index usage and scan costs.

#SQL & Databases #Quiz #Interactive

❓ Quiz Question

Aug 30, 2026

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

#Django Web Framework #Quiz #Interactive

❓ Quiz Question

Aug 30, 2026

… prefetch_related executes separate lookups and performs Python-side joining for collections.

#Django Web Framework #Quiz #Interactive

❓ Quiz Question

Aug 30, 2026

Class-Based Views leverage inheritance and modular design patterns to reduce boilerplate code for common web operations.

#Django Web Framework #Quiz #Interactive

❓ Quiz Question

Aug 30, 2026

Q objects allow developers to build complex keyword queries combining logical conditions in Django ORM filters.

#Django Web Framework #Quiz #Interactive

❓ Quiz Question

Aug 30, 2026

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

#Django Web Framework #Quiz #Interactive

❓ Quiz Question

Aug 30, 2026

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

#Django Web Framework #Quiz #Interactive