>>Hi,
>>I would like to create a SQL Server command that would set a column to a value and at the same time set the value before the change.
>>
>>For example, say I have a table PartTable and I want to update the value of column INSTOCK to some value of the variable @StockQty but first set the value of this column to another variable, @StockQtyBeforeChange. This is the UPDATE part of the desired statement:
>>
>>
>>update PartTable set instock = @StockQty where inv_code = @InvCode
>>
>>
>>but I cannot see how to add the following into the statement above:
>>
>>
>>select @StockQtyBeforeChange = instock from PartTable where inv_code = @InvCode
>>
>>
>>Is it possible to do what I am thinking? TIA
>
>I think it goes against my religion your use of variables in SQL...
>
>
>update PartTable set @StockQtyBeforeChange = instock, instock = @StockQty where inv_code = @InvCode
>
Thank you!
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