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