Marco,

> > > P.S. I usually use as primary key a NUMERIC(18,4) column that is stored
> > > into a 64Bit
> > > INTEGER and fill it with a generator.
> >
> >did you mean (18, 0)?
>
> 18,0 are stored as INT64.
> It's almost the same for a primary key.

Can you tell the difference between a 64bit integer and an INT64?

Anyway, I seem to recall that a NUMERIC(18, 4) does not fit in 64 bits
without oveflowing, whereas a NUMERIC(18, 0) does.

Ciao
--
____
_/\/ando