AW: Unique field V4MD

[Florian Bogeschdorfer]

> -----Ursprüngliche Nachricht-----
> Von: valentina-bounces at lists.macserve.net 
> [mailto:valentina-bounces at lists.macserve.net] Im Auftrag von 
> Ruslan Zasukhin
> Gesendet: Donnerstag, 2. Oktober 2003 15:25
> An: valentina at lists.macserve.net
> Betreff: Re: Unique field V4MD
> 
> on 10/2/03 3:56 PM, Florian Bogeschdorfer at fb at memedia.de wrote:
> 
> > Is there a way to make a string field unique but allow it to stay 
> > empty more than once?
> 
> You need then mark it as Nullable.
> 
> And few times will be not empty value, but NULL value
> 
Thank you Ruslan

Florian