[Solved] What will happen if you save data only in a FastAPI variable without a database?items = [] @app.post('/add') async def add(item: str): items.append(item) return items | FastAPI

FastAPI - Database Integration

What will happen if you save data only in a FastAPI variable without a database?

items = []
@app.post('/add')
async def add(item: str):
    items.append(item)
    return items

AData will be saved to disk by FastAPI

BData will be lost when the server restarts

CData will be shared between different servers automatically

DData will be saved permanently

Step-by-Step Solution

Solution:

Step 1: Identify storage type
Data is stored in a Python list variable in memory.
Step 2: Effect of server restart
Memory clears on restart, so data is lost.
Final Answer:
Data will be lost when the server restarts -> Option B
Quick Check:
Memory storage = no persistence [OK]

Quick Trick: Variables lose data on server restart [OK]

Common Mistakes:

MISTAKES

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