Re: Extending my question. Was: The relational model and relational algebra - why did SQL become the industry standard?
From: Lauri Pietarinen <lauri.pietarinen_at_atbusiness.com>
Date: Thu, 06 Mar 2003 23:25:26 +0200
Message-ID: <3E67BCC6.4000207_at_atbusiness.com>
Date: Thu, 06 Mar 2003 23:25:26 +0200
Message-ID: <3E67BCC6.4000207_at_atbusiness.com>
Lauri Pietarinen wrote:
Small typo
>-- "set" version
>SELECT AVG'( fx, count )
> FROM (
> SELECT F(x) as fx, count(*) as count
> FROM X
> GROUP BY x )
>
should have been:
SELECT AVG'( fx, count )
FROM (
SELECT F(x) as fx, count(*) as count
FROM X GROUP BY F(x) )Received on Thu Mar 06 2003 - 22:25:26 CET