Re: Multiway associations - Mailing list pgsql-novice

From Michael Glaesemann
Subject Re: Multiway associations
Date
Msg-id 179A85A6-4EF4-11D8-A56D-000A95C88220@myrealbox.com
Whole thread Raw
In response to Multiway associations  (Russell Shaw <rjshaw@iprimus.com.au>)
Responses Re: Multiway associations
List pgsql-novice
Hi Russel

On Jan 25, 2004, at 12:46 PM, Russell Shaw wrote:
> I have a list of parts, each of which is sold by multiple
> vendors. I also have a list of vendors, each of which sell
> multiple parts.
>
> How should i arrange the tables for this that doesn't involve
> having lots of empty fields "just in case" ?

One common way to do this is to have three tables: one suppliers, one
parts, and one suppliers-parts referencing suppliers and parts.

Does that help?

Michael Glaesemann
grzm myrealbox com


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