select 
  SLEEP_TIME_DTL.AGE_CODE as "年齢コード"
, AGE_GRP.AGE_NAME as "年齢階層名"
, sum(SLEEP_TIME_DTL.SP_TIME_5) as "5時間未満"
, sum(SLEEP_TIME_DTL.SP_TIME_6) as "5時間以上6時間未満"
, sum(SLEEP_TIME_DTL.SP_TIME_7) as "6時間以上7時間未満"
, sum(SLEEP_TIME_DTL.SP_TIME_8) as "7時間以上8時間未満"
, sum(SLEEP_TIME_DTL.SP_TIME_9) as "8時間以上9時間未満"
, sum(SLEEP_TIME_DTL.SP_TIME_9OVER) as "9時間以上"
from SLEEP_TIME_DTL
inner join AGE_GRP
on SLEEP_TIME_DTL.AGE_CODE = AGE_GRP.AGE_CODE
group by SLEEP_TIME_DTL.AGE_CODE,SLEEP_TIME_DTL.AGE_CODE
order by "年齢コード"