select 
a.AGE_CODE as 年齢コード,
b.AGE_NAME as 年齢階層名,
sum(ifnull(SP_TIME_5,0)) as "5時間未満",
sum(ifnull(SP_TIME_6,0)) as "5時間以上6時間未満",
sum(ifnull(SP_TIME_7,0)) as "6時間以上7時間未満",
sum(ifnull(SP_TIME_8,0)) as "7時間以上8時間未満",
sum(ifnull(SP_TIME_9,0)) as "8時間以上9時間未満",
sum(ifnull(SP_TIME_9OVER,0)) as "9時間以上"
  from SLEEP_TIME_DTL a
  join AGE_GRP b
    on b.AGE_CODE = a.AGE_CODE
  join PREFECTURE c
    on c.PF_CODE = a.PF_CODE
   and c.PF_NAME in('北海道','青森県','岩手県','宮城県','福島県')
group by a.AGE_CODE,b.AGE_NAME