select
    ag.age_code as 年齢コード,
    ag.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
    SLEEP_TIME_DTL as st
    inner join AGE_GRP as ag on st.age_code=ag.age_code
    inner join PREFECTURE as p on p.PF_CODE=st.PF_CODE
where
    p.pf_name="北海道"or p.pf_name="青森県"or p.pf_name="岩手県"or p.pf_name="宮城県"or p.pf_name="福島県"
group by
    ag.age_code
order by
    ag.age_code asc
;