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