with
    p as (
        select
            *
        from
            prefecture
        where
            pf_name in ('北海道', '青森県', '岩手県', '宮城県', '福島県')
    )
    ,std as (
        select
            *
        from
            sleep_time_dtl
        where
            pf_code in (select pf_code from p)
    )

select
    std.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
    std
join
    age_grp ag
on
    std.age_code = ag.age_code
group by
    1, 2
order by
    1, 2