Re: Badly planned queries with JOIN syntax

From: Greg Stark <gsstark(at)mit(dot)edu>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: Badly planned queries with JOIN syntax
Date: 2003-04-06 16:44:46
Message-ID: 87d6jzy3r5.fsf@stark.dyndns.tv
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-general


Stephan Szabo <sszabo(at)megazone23(dot)bigpanda(dot)com> writes:

> On Fri, 4 Apr 2003, Phil Mayers wrote:
>
> > ANSI SQL92 had a "table.column *= otable.ocolumn" which equates to "table LEFT
> > OUTER JOIN otable on column=ocolumn").
>
> AFAICT SQL92 has no such syntax. It's hard to do without alot of
> limitations (because join order can be important to the results of the
> query with outer joins).

Fwiw, this is MSSQL's (and presumably Sybase's?) non-standard outer join syntax.

--
greg

In response to

Browse pgsql-general by date

  From Date Subject
Next Message Ian Barwick 2003-04-06 16:58:15 Re: PHP as PL
Previous Message No Longer Frustrated 2003-04-06 13:09:42 Re: Newbie: problem Connecting to Server