text: REM ============================================================
  REM Display the database status in the data guard configuration.
  REM ============================================================
  
  SET LINESIZE 180
  SET PAGESIZE 40
  SET HEADING  ON
  
  SELECT
      name,
      db_unique_name,
      open_mode,
      protection_mode,
      protection_level,
      database_role,
      primary_db_unique_name
    FROM
      v$database;
  