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Date: Tue, 16 Jun 2009 15:54:16 -0700
Message-ID: <396486430906161554m4024a2bfuc7abad514f1e3dd6@mail.gmail.com>
Subject: Re: left outer join on more than 2 tables? (UNCLASSIFIED)
From: Richard Broersma <richard.broersma@gmail.com>
To: "Hall, Crystal M CTR DISA JITC" <Crystal.Hall.ctr@disa.mil>
Cc: pgsql-sql@postgresql.org
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On Tue, Jun 16, 2009 at 2:52 PM, Hall, Crystal M CTR DISA
JITC<Crystal.Hall.ctr@disa.mil> wrote:

> Maybe I am way of base here, but I see a reference to region in this
> query. =A0However, I think count(cm.id) is correct because some would hav=
e
> a count of 0. =A0Count(*) would produce counts when there are no
> complaints. (If I understand the logic, again, I am VERY new to this)

Here is a very good website to visit to get practice with SQL using Postgre=
SQL.

http://www.sqlzoo.net/select_group_by

If you look up at the upper right corner of the web-page, you can
select PostgreSQL are your RDBMS (other flavors are available also).


--=20
Regards,
Richard Broersma Jr.

Visit the Los Angeles PostgreSQL Users Group (LAPUG)
http://pugs.postgresql.org/lapug