主题：请问这个多表分组统计是不是不能用日期作为分组啊？

应该是bug，改成sql语句

select month(a.第五列) as 月份, sum(a.第三列) as 数量 from {表A} as a inner join {表B} as b on a.第五列 = b.第五列 group by a.第五列

http://www.foxtable.com/webhelp/scr/0695.htm