select
A.AGE_CODE as "年齢コード"
,A.AGE_NAME as "年齢階層名"
,C.SP_TIME_5 as "5時間未満"
,C.SP_TIME_6 as "5時間以上6時間未満"
,C.SP_TIME_7 as "6時間以上7時間未満"
,C.SP_TIME_8 as "7時間以上8時間未満"
,C.SP_TIME_9 as "8時間以上9時間未満"
,C.SP_TIME_9OVER as "9時間以上"
from AGE_GRP A,PREFECTURE B,SLEEP_TIME_DTL C
where A.AGE_CODE = C.AGE_CODE
and B.PF_CODE = C.PF_CODE
group by A.AGE_CODE
;