Re: Best method to keep totals

[Arthur Fuller]

100% agreed.

Arthur

The other exception is also where financial data is being stored. If you
> have, say, a database containing sales order records, then as well as
> storing the individual values of each item in each order, you also need to
> store the total value of the order, the total price charged to the customer
> and the total paid by the customer. These three should, of course, be not
> only identical to each other but also to the sum of the individual items, so
> there is not only duplication but the potential for skew. But that, of
> course, is precisely *why* you store them, as any discrepancy indicates an
> error which needs to be investigated.
>
> Mark
>