Re: Extending my question. Was: The relational model and relational algebra - why did SQL become the industry standard?
Date: Mon, 17 Mar 2003 00:07:46 -0500
"Lauri Pietarinen" <lauri.pietarinen_at_atbusiness.com> wrote in message
> 71062.1056_at_compuserve.com (--CELKO--) wrote in message
> So the only valid alternative is to be very conservative and
> cautions from the start, hence the "principle of cautious design"
> is very valid indeed.
> > So far, SQL has removed ordinal position
> > numbers for columns as one concrete example.
> Does that mean that
> SELECT P#, PNAME
> FROM P
> ORDER BY 2
> is now depricated?
> If so, when do you think that will be reflected in
SELECT P#, PNAME
WHERE P# < 50
SELECT PNAME, P#
WHERE P# > 50 Or must the ordinal of P# still match? Received on Mon Mar 17 2003 - 06:07:46 CET