select  sd.age_code as 年齢コード,
        age_grp.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 sd
inner join prefecture on sd.pf_code = prefecture.pf_code
inner join age_grp on sd.age_code = age_grp.age_code
order by sd.age_code asc;