Re: Extending my question. Was: The relational model and relational algebra - why did SQL become the industry standard?

From: Mikito Harakiri <mikharakiri_at_ywho.com>
Date: Tue, 11 Mar 2003 14:27:46 -0800
Message-ID: <hvtba.14$pX3.84_at_news.oracle.com>

"Jan Hidders" <jan.hidders_at_REMOVE.THIS.ua.ac.be> wrote in message news:3e6e57e3.0_at_news.ruca.ua.ac.be... What I meant was:
>
> >> SELECT f(x)
> >> FROM
> >> ( SELECT g(y)
> >> FROM y IN Y ) AS x
>
> and
>
> >> SELECT f(g(y))
> >> FROM Y AS y

SELECT f(x) as Fx, y
FROM
( SELECT g(y) as x, y
FROM Y) reduces to

SELECT f(g(y)) as FGy, y
FROM Y Received on Tue Mar 11 2003 - 23:27:46 CET

Contemporary messages sorted: [ by date ] [ by thread ] [ by subject ] [ by author ]

Original text of this message