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