遇到一个奇怪的问题?
table
NO LineNO ItemNO ReceiptQty ItemOrderQty MOLineCost
FXP01 1 1001 239 250 50.6
FXP01 1 1001 8 250 50.6
FXP02 1 1005 246 250 8520.3
...
我的查询
select
NO , LineNO, ItemNO , ItemOrderQty , MOLineCost,, sum(ReceiptQty) ReceiptQty
from tb
group by NO , LineNO, ItemNO,ItemOrderQty , MOLineCost
但是最后显示的 数据
NO LineNO ItemNO ItemOrderQty MOLineCost ReceiptQty
FXP01 1 FXP01 250 250 241
FXP02 1 FXP02 250 250 246
疑惑.....