From: Roberto Mello <rmello@cc.usu.edu>
To: Paulo J. Matos <pocm@rnl.ist.utl.pt>
Cc: pgsql-sql@postgresql.org
Subject: Re: On delete cascade!
Date: Mon, 14 Jan 2002 23:29:33 -0700
Message-ID: <20020115062933.GA27415@cc.usu.edu> (raw)
In-Reply-To: <87zo3gfzdj.fsf@localhost.localdomain>
References: <87zo3gfzdj.fsf@localhost.localdomain>
On Mon, Jan 14, 2002 at 08:31:36PM +0000, Paulo J. Matos wrote:
> Hi all,
>
> On weak entities I've used ON DELETE CASCADE as mentioned in
> "Databases Management Systems" by Raghu Ramakrishnan. But I get:
> psql:tables.sql:43: ERROR: parser: parse error at or near "ON"
>
> on tables like the following:
>
> CREATE TABLE socio_ilumindado (
> cognome varchar,
> id integer,
> nome varchar,
> alcunha varchar,
> data_filiacao date,
> PRIMARY KEY(id),
> FOREIGN KEY(id, nome, alcunha, data_filiacao) REFERENCES socio,
> ON DELETE CASCADE);
Ola Paulo,
You need to take a look at the PostgreSQL documentation as well. Just
reading your college databases book won't cut it most of the time.
PostgreSQL has excellent documentation, especially the reference manual.
Take a look at it. So far both of your questions could have been answered
by taking a quick glance at the docs.
http://www.postgresql.org/idocs/
-Roberto
--
+----| http://fslc.usu.edu/ USU Free Software & GNU/Linux Club |------+
Roberto Mello - Computer Science, USU - http://www.brasileiro.net/http://www.sdl.usu.edu/ - Space Dynamics Lab, Developer
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To: pgsql-sql@postgresql.org
Cc: rmello@cc.usu.edu, pocm@rnl.ist.utl.pt
Subject: Re: On delete cascade!
In-Reply-To: <20020115062933.GA27415@cc.usu.edu>
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