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Re: dictionary?

From: "Tomeh, Husam" <htomeh(at)firstam(dot)com>
To: "Ray Stell" <stellr(at)cns(dot)vt(dot)edu>,pgsql-novice(at)postgresql(dot)org
Subject: Re: dictionary?
Date: 2006-09-22 19:40:35
Message-ID: (view raw or whole thread)
Lists: pgsql-novice
You can query pg_tables, pg_indexes, etc. 

    Select tablename from pg_tables where tablename like 'snapshot%' ; 

These views are based on the pg_class system table.

To describe a table, just do  \d tablename.


-----Original Message-----
From: pgsql-novice-owner(at)postgresql(dot)org
[mailto:pgsql-novice-owner(at)postgresql(dot)org] On Behalf Of Ray Stell
Sent: Friday, September 22, 2006 12:16 PM
To: pgsql-novice(at)postgresql(dot)org
Subject: [NOVICE] dictionary?

How do you accomplish this in pg?

1. Is there a table like the Oracle dictionary?
2. Is there a way to describe a table?

I use these all the time in oracle.  When I can't remember where
some management metric is located in the system, I sort of grep for 
it based on a keyword.  For example, if I need to find out about some 
snapshot (copy of a table from another db), I do this:

select table_name from dictionary where table_name like '%SNAPSHOT%';


 Name                                      Null?    Type
 ----------------------------------------- --------
 OWNER                                     NOT NULL VARCHAR2(30)
 NAME                                      NOT NULL VARCHAR2(30)
 TABLE_NAME                                NOT NULL VARCHAR2(30)

select name from ALL_SNAPSHOTS;


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