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 prefecture
    on SLEEP_TIME_DTL.PF_CODE = PREFECTURE.PF_CODE
inner join age_grp
    on SLEEP_TIME_DTL.age_code = age_grp.age_code
where
    pf_name in ('北海道', '青森県', '岩手県', '宮城県', '福島県')
group by
    年齢コード
order by
    年齢コード
;