import sqlalchemy as sa
import sqlalchemy.exc


def check_db_alive(url: sa.URL | str) -> bool:
    engine = sa.create_engine(url)
    try:
        with engine.connect() as conn:
            conn.execute(sa.text("SELECT 1"))
    except sqlalchemy.exc.OperationalError:
        return False
    finally:
        engine.dispose()
    return True