W why_119 Unregistered / Unconfirmed GUEST, unregistred user! 2002-10-23 #1 如何按产品名称作分类统计？ 如10月份的产品分类统计.数量等... 我真的想了很久.......
Q QuickSilver Unregistered / Unconfirmed GUEST, unregistred user! 2002-10-23 #2 Select field1,sum(field2 From (Select * from table1 where 日期=....) AA Group by field1 自己参考参考
Z zhangyufly Unregistered / Unconfirmed GUEST, unregistred user! 2002-10-23 #3 用分组 select sum(a1) as a1 from 表1 where 条件‘’ group by 产品名称
W why_119 Unregistered / Unconfirmed GUEST, unregistred user! 2002-10-23 #4 忘说了...在sql中日期变量如何写... 谢谢两位...我试试...
