--- In firebird-support@yahoogroups.com, "hrethantos" <hugo@t...>
wrote:

> I'm planning on using a 15 digit field as a primary key. This will
> obviously be a integer, but in dialect 1 (which I will be using)
> there is no integer type large enough for this. I just would like to
> know if it will be 100% safe to use Double Precision?

No.

> If not, is there another solution?

Varchar.

Best regards,
Alexander.