Can you provide more details?

>I am working on a SQL select and update that requires it to "keep track" of total number/value that has been processed.
>Perhaps there is a way to do it without a variable.
>
>>I have to ask, why?
>>
>>>When I try the following test, I get error (below the expression)
>>>

>>>Declare MyVar decimal (12,2)
>>>Select Field1, @MyVar = num_field from MyTable
>>>

>>>
>>>that "A SELECT statement that assigns a value to a variable must not be combined with data-retrieval operations."
>>>
>>>Is there a way to still retrieve data and set a value to a variable?
>>>
>>>TIA