SELECT a.AGE_NAME 年齢階層,
    sum(CASE WHEN std.TIME_CODE = 120 THEN TARGET_POP end) AS ５時間未満,
    sum(CASE WHEN std.TIME_CODE = 130 THEN TARGET_POP end) AS ５時間以上６時間未満,
    sum(CASE WHEN std.TIME_CODE = 140 THEN TARGET_POP end) AS ６時間以上７時間未満,
    sum(CASE WHEN std.TIME_CODE = 150 THEN TARGET_POP end) AS ７時間以上８時間未満,
    sum(CASE WHEN std.TIME_CODE = 160 THEN TARGET_POP end) AS ８時間以上９時間未満,
    sum(CASE WHEN std.TIME_CODE = 170 THEN TARGET_POP end) AS ９時間以上,
    sum(CASE WHEN std.TIME_CODE = 180 THEN TARGET_POP end) AS 不詳
    
FROM SLEEP_TIME_DTL std JOIN AGE_GRP a ON std.AGE_CODE = a.AGE_CODE
    JOIN SLEEP_TIME s ON std.TIME_CODE = s.TIME_CODE

GROUP BY std.AGE_CODE