On my experience :

1) USB HDD : more reliable, more speed and more space.

2) Pen Drive : more compact.

3) RAM Disk : highest speed but risky and less space. Do not use it unless you aware of the risk. Runs on a dedicated PC (no other programs run on this pc, only database server and OS), backup it everyday, twice a day and have a reliable UPS. Love the speed when doing maintenance (backup/restore) - superb compare to those two.

Incendio.

--- In firebird-support@yahoogroups.com, "Sergio" <shg_sistemas@...> wrote:
>
>
> > Are you sure you are not mixing it with using the database on Pen Drives ?
>
>
> Hi Alexande! thanks for the answer!
>
> May be... I'm not sure... But in any case, what would be the difference in having the database file on an USB HDD and a Pen Drive?
>
> Or it's just a matter of space or performance?
>
> Sergio
>