Re: temporary tables ?

What is the influence on database growing in comparrison to permanent table
frequently inserted/deleted rows ?

----- Original Message -----
From: "Sean Davis" <sdavis2@mail.nih.gov>
To: "Zlatko Matic" <zlatko.matic1@sb.t-com.hr>
Cc: "pgsql list" <pgsql-general@postgresql.org>
Sent: Friday, July 22, 2005 8:06 PM
Subject: Re: [GENERAL] temporary tables ?


>
> On Jul 22, 2005, at 1:55 PM, Zlatko Matic wrote:
>
>> Hello.
>> I have some tables that are updated by several users in the same time and
>> are used in queries for reports. Those tables have rows that are actualy
>> copied from original  tables that are not to be altered. There is a
>> procedure that inserts rows for every user when connects, along with his
>> username, so different users can't interfere with each other because
>> every user has his own copy of rows that he can update, and records are
>> filtered by current_user.
>> Well, it's my heritage from MS Access, before I moved to Postgres,
>> because there is no such thing as temporary table in Access...
>> Now, I'm wondering is there any true advantage to implement temporary
>> tables for each user, insted of one table with inserted rows with
>> username for every user ?
>
> Temporary tables are not per-user, but per-connection.  A user can be
> connected twice, but a temporary table created on one connection is not
> visible from the other connection.  Also, temporary tables are
> temporary--they disappear after the connection is closed.
>