On Mon, 12 Nov 2001, Jean-Michel POURE wrote:
> At 09:55 12/11/01 +0000, you wrote:
> >'Cos that's not safe either - you might get multiple rows inserted at the
> >same time - unlikely, but certainly possible.
>
> In most cases a simple timestamp is enough because you add some other
> parameter to you query (ex:company name, or whatever field you inserted).
> For example, if you insert values with First_name=Dave, Second_name=Page,
> Timestamp=current time and query the resulting row, there is *very little*
> chance to get rows from other users.
>
> I guess this is the recommended way (see Access howto).
Yes, but the query for search the row is more expensive than select from
an id that is normally indexed. I have making tests and 'option A' seems
be the best.
Thanks
Simeo Reig