#Удаляем старые записи между start_dt и end_dt
    for table_data in(dash_engagement, dash_visits):
      query = '''DELETE FROM table_data WHERE dt BETWEEN '{}'::TIMESTAMP AND '{}'::TIMESTAMP'''.format(start_dt, end_dt)
      engine.execute(query)

      table_data.to_sql(name = table_data, con = engine, if_exists = 'append', index = False)