>Hi Craig,
>
>But, at least, it solves that problem :)
>Of course, the best way to solve it is to create an identifier field, with "something" (for example, a string created by you) that we know it's unique.
>
>Cheers,
>
>Ricardo

That's what my method does...creates a value (Integer) that is unique. Look at the Primary Keys KB article on my web site. Yes, an autoincrement/identity field would be better.