SELECT
  STD.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
LEFT OUTER JOIN
 AGE_GRP AS AG
ON
 AG.AGE_CODE = STD.AGE_CODE
WHERE
 STD.PF_CODE IN (
  SELECT PF_CODE
  FROM  PREFECTURE
  WHERE PF_NAME IN ('北海道', '青森県', '岩手県', '宮城県', '福島県')
 )
GROUP BY
 STD.AGE_CODE,AG.AGE_NAME