select 
SLEEP_TIME_DTL.age_code as '年齢コード',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 LEFT OUTER JOIN PREFECTURE ON SLEEP_TIME_DTL.PF_CODE = PREFECTURE.PF_CODE
LEFT OUTER JOIN AGE_GRP ON SLEEP_TIME_DTL.AGE_CODE = AGE_GRP.AGE_CODE 
WHERE (PF_NAME = '北海道'
OR PF_NAME = '青森県'
OR PF_NAME = '岩手県'
OR PF_NAME = '宮城県'
OR PF_NAME = '福島県') 
AND age_name NOT NULL GROUP BY SLEEP_TIME_DTL.age_code;