Yes, Derby supports VALUES expression.

ij> values 1;
1
-----------
1

1 row selected

Regards,
Yip Ng

--- Julian Hyde <[EMAIL PROTECTED]> wrote:

> The ANSI-compliant syntax for evaluating a scalar
> expression without
> reference to a table is
> 
>   VALUES (1)
> 
> I don't know whether Derby supports this.
> 
> Julian 
> 
> > -----Original Message-----
> > From: Ken Johanson [mailto:[EMAIL PROTECTED] 
> > Sent: Thursday, January 11, 2007 11:20 PM
> > To: [email protected]
> > Subject: Database ping? ('select 1'?)
> > 
> > This syntax:
> > 
> > select 1
> > 
> > Seems to always throw a:
> > 
> > SQLException: Syntax error: Encountered "<EOF>" at
> line 1, column 8.
> > 
> > Is this table-less syntax going to be supported at
> some 
> > point, and what 
> > would be the next best means to do table-less
> select (such as for 
> > testing scalars, etc)
> > 
> > Of course this exmaple is also common for database
> connection 
> > pings, in 
> > systems where the connection may timeout or FIFO..
> but is 
> > there a better 
> > (and equally efficient) approach to pinging?
> > 
> > I also tried `select values (1)`.
> > 
> > Thank you,
> > Ken
> > 
> 
> 



 
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