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You want to ensure data persists even if your FastAPI app crashes unexpectedly. Which approach is best?

hard🧠 Conceptual Q8 of 15
FastAPI - Database Integration
You want to ensure data persists even if your FastAPI app crashes unexpectedly. Which approach is best?
ASave data immediately to a database on each change
BStore data in a global list and save on shutdown
CKeep data only in memory variables
DWrite data to a file only when the app starts
Step-by-Step Solution
Solution:

  1. Step 1: Analyze persistence needs

    Data must be saved immediately to avoid loss on crash.

  2. Step 2: Compare methods

    Saving on shutdown or in memory risks losing data on crashes.

  3. Final Answer:

    Save data immediately to a database on each change -> Option A

  4. Quick Check:

    Immediate database save = best crash safety [OK]
Quick Trick: Save data immediately to database to avoid loss [OK]
Common Mistakes:
MISTAKES
  • Relying on shutdown events for saving
  • Using only in-memory storage
  • Saving data only at app start

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