select 
ag.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
SLEEP_TIME_DTL std join AGE_GRP ag
on std.AGE_CODE = ag.AGE_CODE
where std.PF_CODE < "08000" 
group by ag.AGE_CODE