Bird
0
0

Why is it important to close the SQLAlchemy session after each request in a FastAPI app?

hard🧠 Conceptual Q10 of 15
FastAPI - Database Integration
Why is it important to close the SQLAlchemy session after each request in a FastAPI app?
ATo clear all data from the database.
BTo reset the database schema automatically.
CTo restart the FastAPI server.
DTo release database connections and avoid connection leaks.
Step-by-Step Solution
Solution:

  1. Step 1: Understand session lifecycle

    Sessions hold database connections; if not closed, connections remain open, causing resource leaks.

  2. Step 2: Identify consequences of not closing sessions

    Not closing sessions can exhaust connection pool and degrade app performance.

  3. Final Answer:

    To release database connections and avoid connection leaks. -> Option D

  4. Quick Check:

    Close session to free connections [OK]
Quick Trick: Always close sessions to free DB connections [OK]
Common Mistakes:
MISTAKES
  • Thinking closing resets schema
  • Assuming closing clears data
  • Confusing session close with server restart

Want More Practice?

15+ quiz questions · All difficulty levels · Free

Free Signup - Practice All Questions
More FastAPI Quizzes
Authentication and Security - Bearer token handling - Quiz 7medium Authentication and Security - Role-based access control - Quiz 14medium Database Integration - Why databases persist data - Quiz 14medium Database Integration - Alembic migrations - Quiz 5medium Database Integration - Connection pooling - Quiz 1easy Dependency Injection - Global dependencies - Quiz 13medium Dependency Injection - Class-based dependencies - Quiz 15hard Error Handling - Validation error responses - Quiz 5medium File Handling - Why file operations are common - Quiz 8hard Middleware and Hooks - Lifespan context manager - Quiz 2easy