: With a trembling hand, Alex clicked "Test Connection." A message appeared: Connection successful. The Result

cursor = conn.cursor() cursor.execute("SELECT id, name FROM users WHERE active = true") for row in cursor.fetchall(): print(row.id, row.name)

[Application] <--> [ODBC Driver Manager] <--> [PostgreSQL ODBC Driver] <--> [PostgreSQL Server]

import pyodbc

: A system-level component (like unixODBC on Linux or the ODBC Data Source Administrator on Windows) that loads the specific driver.