就是这样吧:
select orderid,storeid,itemid,sum(quantity)
from Table
group by orderid,storeid,itemid
order by orderid,storeid,itemid
select orderid,storeid,itemid,sum(quantity)
from Table
group by orderid,storeid,itemid
order by orderid,storeid,itemid
选择“Disable on www.wenxuecity.com”
选择“don't run on pages on this domain”
