select
  a.AGE_CODE as 年齢コード
 ,a.AGE_NAME as 年齢階層名
 ,sum(SP_TIME_5) as '5時間未満'
 ,sum(SP_TIME_6) as '5時間以上6時間未満'
 ,sum(SP_TIME_7) as '6時間以上7時間未満'
 ,sum(SP_TIME_8) as '7時間以上8時間未満'
 ,sum(SP_TIME_9) as '8時間以上9時間未満'
 ,sum(SP_TIME_9OVER) as '9時間以上'
from
  AGE_GRP a, SLEEP_TIME_DTL s, PREFECTURE p
where
   a.AGE_CODE = s.AGE_CODE
   and s.PF_CODE = p.PF_CODE
   and p.PF_NAME in ('北海道', '青森県', '岩手県', '宮城県', '福島県')
group by
    a.AGE_CODE,a.AGE_NAME 
order by
  a.AGE_CODE asc;