SELECT
  AGE_GRP.AGE_NAME AS 年齢階層,
  SUM(CASE WHEN SLEEP_TIME_DTL.TIME_CODE = 120 
           THEN SLEEP_TIME_DTL.TARGET_POP ELSE 0 END) AS "5時間未満",
  SUM(CASE WHEN SLEEP_TIME_DTL.TIME_CODE = 130 
           THEN SLEEP_TIME_DTL.TARGET_POP ELSE 0 END) AS "5時間以上6時間未満",
  SUM(CASE WHEN SLEEP_TIME_DTL.TIME_CODE = 140 
           THEN SLEEP_TIME_DTL.TARGET_POP ELSE 0 END) AS "6時間以上7時間未満",
  SUM(CASE WHEN SLEEP_TIME_DTL.TIME_CODE = 150 
           THEN SLEEP_TIME_DTL.TARGET_POP ELSE 0 END) AS "7時間以上8時間未満",
  SUM(CASE WHEN SLEEP_TIME_DTL.TIME_CODE = 160 
           THEN SLEEP_TIME_DTL.TARGET_POP ELSE 0 END) AS "8時間以上9時間未満",
  SUM(CASE WHEN SLEEP_TIME_DTL.TIME_CODE = 170 
           THEN SLEEP_TIME_DTL.TARGET_POP ELSE 0 END) AS "9時間以上",
  SUM(CASE WHEN SLEEP_TIME_DTL.TIME_CODE = 180 
           THEN SLEEP_TIME_DTL.TARGET_POP ELSE 0 END) AS "不詳"
FROM
  SLEEP_TIME_DTL
INNER JOIN
  AGE_GRP
  ON  SLEEP_TIME_DTL.AGE_CODE = AGE_GRP.AGE_CODE
INNER JOIN
  SLEEP_TIME
  ON  SLEEP_TIME_DTL.TIME_CODE = SLEEP_TIME.TIME_CODE
GROUP BY
  AGE_GRP.AGE_CODE
ORDER BY
  AGE_GRP.AGE_CODE