F feralwolf Unregistered / Unconfirmed GUEST, unregistred user! 2002-10-16 #1 计算字段不能在sql语句中sum(...),请问如何总计?
Y yanghai0437 Unregistered / Unconfirmed GUEST, unregistred user! 2002-10-16 #3 为什么不能用sum,是不是不能用where ...,... group by , 你可以这样用 select ...,..,sum(...) from table group by ...,...,... having a>b and c<d
为什么不能用sum,是不是不能用where ...,... group by , 你可以这样用 select ...,..,sum(...) from table group by ...,...,... having a>b and c<d
Y yangxiao_jiang Unregistered / Unconfirmed GUEST, unregistred user! 2002-10-16 #5 在dataset的oncal里 逐个加