SELECT DTL.AGE_CODE AS 年齢コード
        ,AGE_NAME AS 年齢階層名
        ,SP_TIME_5 AS "5時間未満"
        ,SP_TIME_6 AS "5時間以上6時間未満"
        ,SP_TIME_7 AS "6時間以上7時間未満"
        ,SP_TIME_8 AS "7時間以上8時間未満"
        ,SP_TIME_9 AS "8時間以上9時間未満"
        ,SP_TIME_9OVER AS "9時間以上"
  FROM SLEEP_TIME_DTL DTL
  JOIN AGE_GRP AGE
    ON DTL.AGE_CODE = AGE.AGE_CODE
 GROUP BY DTL.AGE_CODE
 ORDER BY DTL.AGE_CODE