Re: dictionary? - Mailing list pgsql-novice

cool:

template1=#  Select tablename from pg_tables where tablename like '%features%';
  tablename
--------------
 sql_features
(1 row)

template1=# \d sql_features
Did not find any relation named "sql_features".


template1=# \dT+sql_features
                                                           List of data types
   Schema   |            Name             |  Internal name   | Size |                            Description

------------+-----------------------------+------------------+------+-------------------------------------------------------------------
 pg_catalog | abstime                     | abstime          | 4    | absolute, limited-range date and time (Unix
systemtime) 
 pg_catalog | aclitem                     | aclitem          | 12   | access control list
....






On Fri, Sep 22, 2006 at 12:40:35PM -0700, Tomeh, Husam wrote:
>
> 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.
>
> --
>   Husam
>   http://firstdba.googlepages.com
>
>
> -----Original Message-----
> From: pgsql-novice-owner@postgresql.org
> [mailto:pgsql-novice-owner@postgresql.org] On Behalf Of Ray Stell
> Sent: Friday, September 22, 2006 12:16 PM
> To: pgsql-novice@postgresql.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%';
>
> TABLE_NAME
> ------------------------------
> ALL_REGISTERED_SNAPSHOTS
> ALL_SNAPSHOTS
> ...
>
>
> SQL> describe ALL_SNAPSHOTS
>  Name                                      Null?    Type
>  ----------------------------------------- --------
> ----------------------------
>  OWNER                                     NOT NULL VARCHAR2(30)
>  NAME                                      NOT NULL VARCHAR2(30)
>  TABLE_NAME                                NOT NULL VARCHAR2(30)
> ...
>
>
> select name from ALL_SNAPSHOTS;
> ...
>
> TIA.
>
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