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What is the main purpose of using a get_db function in FastAPI when working with databases?

easy🧠 Conceptual Q11 of 15
FastAPI - Database Integration
What is the main purpose of using a get_db function in FastAPI when working with databases?
ATo create and close a database session for each request safely
BTo store user data permanently in memory
CTo handle HTTP requests directly without a database
DTo generate HTML templates for responses
Step-by-Step Solution
Solution:

  1. Step 1: Understand the role of get_db

    The get_db function is designed to open a database session when a request starts and close it when the request ends.

  2. Step 2: Recognize safe database session management

    This ensures that each request has its own session, preventing conflicts and resource leaks.

  3. Final Answer:

    To create and close a database session for each request safely -> Option A

  4. Quick Check:

    Database session management = create and close session [OK]
Quick Trick: Remember: get_db opens and closes sessions per request [OK]
Common Mistakes:
MISTAKES
  • Thinking get_db stores data permanently
  • Confusing get_db with HTTP request handling
  • Assuming get_db generates HTML

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