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How to Demonstrate the Shared Database Antipattern in Python

This code simulates a shared database where multiple services write and read the same SQLite table, illustrating tight coupling and its pitfalls.

microservices database antipatterns

Python

import sqlite3
from pathlib import Path

def create_shared_db(db_path: Path) -> None:
    """Mock demonstrating the shared database antipattern where multiple
    services access the same database, causing tight coupling."""
    conn = sqlite3.connect(db_path)
    cur = conn.cursor()
    cur.execute("""
        CREATE…

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