select std.age_code as 年齢コード,
    ag.age_name as 年齢階層名,
    sp_time_5 as '5時間未満',
    sp_time_6 as '5時間以上6時間未満',
    sp_time_7 as '6時間以上7時間未満',
    sp_time_8 as '7時間以上8時間未満',
    sp_time_9 as '8時間以上9時間未満',
    sp_time_9over as '9時間以上'
from sleep_time_dtl as std
left outer join age_grp as ag
on ag.age_code = std.age_code
left outer join prefecture as p
on p.pf_code = std.pf_code
where 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 asc;