Re: How to get a count() where column < ''?

From: Joost Kraaijeveld <J(dot)Kraaijeveld(at)Askesis(dot)nl>
To: Stephan Szabo <sszabo(at)megazone(dot)bigpanda(dot)com>
Cc: "Pgsql-sql(at)postgresql(dot)org" <Pgsql-sql(at)postgresql(dot)org>
Subject: Re: How to get a count() where column < ''?
Date: 2005-12-04 22:36:50
Message-ID: 1133735810.5560.23.camel@Panoramix
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Hi Stephan,

> A query without a group by, in other words one on which the count is done
> over the entire set of rows that pass the where clause.
OK.

> I believe
> select count(*) from prototype.customers, prototype.addresses where
> customers.contactaddress = addresses.objectid and zipCode < '2716BN';
> will work and give you an overall count.
The working query (I did not count if the answer was correct ;-))
appears to be:

SELECT COUNT(zipcode) FROM prototype.customers, prototype.addresses
WHERE
customers.contactaddress = addresses.objectid AND zipCode < '1234ab'

--
Groeten,

Joost Kraaijeveld
Askesis B.V.
Molukkenstraat 14
6524NB Nijmegen
tel: 024-3888063 / 06-51855277
fax: 024-3608416
e-mail: J(dot)Kraaijeveld(at)Askesis(dot)nl
web: www.askesis.nl

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