sql7.0中也是C=A+B,如:
declare @a char (2)
declare @b char (2)
declare @c char (4)
set @a = "ss"
set @b = "11"
set @c = @a + @b
select @css11
declare @a char (2)
declare @b char (2)
declare @c char (4)
set @a = "ss"
set @b = "11"
set @c = @a + @b
select @css11
建个视图解决,怎末样??
select A, B, B+A as C from Table1