select std.AGE_CODE as 年齢コード,
ag.AGE_NAME 年齢階層名,
SUM(SP_TIME_5) '5時間未満',
SUM(SP_TIME_6) '5時間以上6時間未満',
SUM(SP_TIME_7) '6時間以上7時間未満',
SUM(SP_TIME_8) '7時間以上8時間未満',
SUM(SP_TIME_9) '8時間以上9時間未満',
SUM(SP_TIME_9OVER) as '9時間以上'
 from SLEEP_TIME_DTL std
inner join AGE_GRP ag on (ag.AGE_CODE = std.AGE_CODE)
inner join PREFECTURE pf on (pf.PF_CODE = std.PF_CODE)
where std.PF_CODE <= 7000
GROUP BY std.AGE_CODE