>Hi Gar,
>
>That's probably it. I actually need an Integer identifier, so I'll do val(substr(sys(2015,2,9)).
>

Val won't work --- sys(2015) results in Alpha characters. Changing it directly to numbers will result in duplicate values.


Now that I know this constraint, I'll see if I can come up with an alternative. Of course you could use a standard multiuser id generating function...