select
    AGE_CODE as "年齢コード",
    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
    INNER JOIN AGE_GRP using (AGE_CODE)
group by
    AGE_CODE
order by
    AGE_CODE