SELECT
  sleep.AGE_CODE AS 年齢コード,
  age.AGE_NAME AS 年齢階層名,
  SUM(sleep.SP_TIME_5) AS ５時間未満,
  SUM(sleep.SP_TIME_6) AS ５時間以上６時間未満,
  SUM(sleep.SP_TIME_7) AS ６時間以上７時間未満,
  SUM(sleep.SP_TIME_8) AS ７時間以上８時間未満,
  SUM(sleep.SP_TIME_9) AS ８時間以上９時間未満,
  SUM(sleep.SP_TIME_9OVER) AS ９時間以上
FROM
  SLEEP_TIME_DTL AS sleep
INNER JOIN
  AGE_GRP as age
ON
  sleep.AGE_CODE = age.AGE_CODE
GROUP BY
  年齢コード,
  年齢階層名
ORDER BY
  年齢コード