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UUID vs sequential primary key in Python

Simulate and compare UUID vs sequential primary key generation in Python to understand trade-offs in ordering and uniqueness.

uuid primary-key database

Python

import uuid
import time

def create_record_with_uuid(name):
    record_id = uuid.uuid4()
    return {"id": record_id, "name": name}

def create_record_with_sequential_id(name, counter):
    counter += 1
    return {"id": counter, "name": name}

if __name__ == "__main__":
    # Simulate users inserting records
    sequ…

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Guide: free Python code samples library

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Samples are quick reference — one concept per page. For step-by-step teaching, use our Python tutorials. To test yourself, try quizzes or coding challenges. Clean up style with the Python formatter.

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