> -----Original Message-----
> From: Bruce Momjian [mailto:pgman@candle.pha.pa.us]
> Sent: Thursday, January 09, 2003 1:55 PM
> To: Peter Eisentraut
> Cc: Tom Lane; Jan Wieck; PostgreSQL HACKERS
> Subject: Re: [HACKERS] Dollar in identifiers
>
>
> Peter Eisentraut wrote:
> > Tom Lane writes:
> >
> > > Quite awhile back, we had a discussion about removing "$"
> from the
> > > set of allowed characters in operator names, and instead
> allowing it
> > > as a non-first character in identifiers.
> >
> > I agree with the first one, but does it have to imply the second?
>
> I believe he wanted the second because Oracle supports it,
> and some Oracle apps use that feature. I think in the old
> days, before underscore, Oracle used $ for space (double yuck).
There are a few others also that use dollar signs such as DEC Rdb,
Interbase/Firebird, etc. as well.