text: --------------------------------------------------------------------------------
  -- CAPTCHA情報を取得するSQL
  --------------------------------------------------------------------------------
  SELECT_CAPTCHA_MANAGE =
  SELECT
      CAPTCHA_KEY,
      CAPTCHA_TEXT,
      GENERATE_DATE_TIME
  FROM
      CAPTCHA_MANAGE
  WHERE
      CAPTCHA_KEY = ?
  
  --------------------------------------------------------------------------------
  -- CAPTCHA管理情報を作成するSQL
  --------------------------------------------------------------------------------
  INSERT_CAPTCHA_MANAGE =
  INSERT INTO CAPTCHA_MANAGE(
      CAPTCHA_KEY,
      GENERATE_DATE_TIME
  )
  VALUES(
      ?,
      ?
  )
  
  --------------------------------------------------------------------------------
  -- CAPTCHA情報を登録するSQL
  --------------------------------------------------------------------------------
  UPDATE_CAPTCHA_MANAGE =
  UPDATE 
      CAPTCHA_MANAGE
  SET
      CAPTCHA_TEXT = ?,
      GENERATE_DATE_TIME = ?
  WHERE
      CAPTCHA_KEY = ?
  
  