Skip site navigation (1) Skip section navigation (2)

Re: N-to-N implementation

From: Oleg Bartunov <oleg(at)sai(dot)msu(dot)su>
To: Filipe Knoedt <filipe(at)brasilenergia(dot)com(dot)br>
Cc: PG LIST <pgsql-admin(at)postgresql(dot)org>
Subject: Re: N-to-N implementation
Date: 2005-07-21 16:02:10
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-admin
On Thu, 21 Jul 2005, Filipe Knoedt wrote:

> Hi all,
> I'd like to set up a discussion (if necessary) about two different ways to implement N-to-N relationships: using a N-to-N intermediary table or, suppose an A and B tables situation, creating the primary key of the table B with the plus a sequencer.
> I'm thinking on going the second way, but decided to ask the list if anybody sees any potencial problem in it, like for performance or anything.

we use contrib/intarray to avoid joining

> Filipe Knoedt

Oleg Bartunov, sci.researcher, hostmaster of AstroNet,
Sternberg Astronomical Institute, Moscow University (Russia)
Internet: oleg(at)sai(dot)msu(dot)su,
phone: +007(095)939-16-83, +007(095)939-23-83

In response to

pgsql-admin by date

Next:From: Alvaro HerreraDate: 2005-07-21 16:11:09
Subject: Re: PGSQL 7.4.8 : idle in transaction problem
Previous:From: Filipe KnoedtDate: 2005-07-21 15:38:18
Subject: N-to-N implementation

Privacy Policy | About PostgreSQL
Copyright © 1996-2017 The PostgreSQL Global Development Group