Re: Query a list of tables

Solution:

I found that by doing the following query you can get a list of all
schemas or namespaces:

select distinct schemaname from pg_tables where schemaname not in
('information_schema', 'pg_catalog');

In order to select all of the tables within a schema or namespace:

select tablename from pg_tables where schemaname='name_of_schema';

Thanks for the responses.

From: pgsql-admin-owner(at)postgresql(dot)org
[mailto:pgsql-admin-owner(at)postgresql(dot)org] On Behalf Of Gibson
Chimhamhiwa
Sent: Wednesday, July 23, 2008 10:22 AM
To: pgsql-admin(at)postgresql(dot)org
Subject: Re: [ADMIN] Query a list of tables

Hi,

Under Schema I have;

information_schema
pg_catalog
pg_toast
pg_toast_temp_1
pg_temp_1

and then public which contains the tables with data for my database.

On Wed, Jul 23, 2008 at 5:11 PM, Campbell, Lance <lance(at)illinois(dot)edu>
wrote:

Is there a list somewhere of the system catalog tables and examples of
querying it for administrative reasons?

-----Original Message-----
From: Scott Marlowe [mailto:scott(dot)marlowe(at)gmail(dot)com]
Sent: Wednesday, July 23, 2008 10:02 AM
To: Campbell, Lance
Cc: pgsql-admin(at)postgresql(dot)org
Subject: Re: [ADMIN] Query a list of tables

On Wed, Jul 23, 2008 at 8:56 AM, Campbell, Lance <lance(at)illinois(dot)edu>
wrote:
> What is the SQL to do the following:
>
>
>
> 1) Return a list of all possible SCHEMA names within a database.
>
> 2) For a given SCHEMA return the list of all table names.

You can either do it with the INFORMATION_SCHEMA, or the system
catalogs. To see how to do it with the system catalogs, then start
psql with the -E switch and issue \dn and set search_path='schemaname'
and \d

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Gibson Chimhamhiwa
CSIR - Meraka Institute
P O Box 395, Pretoria 0001
South Africa
www.csir.co.za / www.meraka.org.za
Office: +27 12 841 2758
Mobile: +27 78 447 2879
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E-mail:gchimhamhiwa(at)gmail(dot)co(dot)za
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