docs: def load_tables_from_files(db_connection):
      """ Looks in the current working directory for all required tables. """
  
      _log.info('Loading tables from disk to DB.')
  
      sde_dir_path = os.path.join(os.path.dirname(os.path.realpath(__file__)), 'sde')
  
      for sde_file_name in os.listdir(sde_dir_path):
          _log.info('Loading the following table: {}'.format(sde_file_name))
  
          sde_file_path = os.path.join(sde_dir_path, sde_file_name)
  
          with open(sde_file_path, 'r') as sde_file:
              sql = sde_file.read()
              execute_sql(sql, db_connection)
  
      _log.info('Finished loading all requested tables.')