Re: Table-design for categories, suggestions needed

From: Rikard Bosnjakovic <rikard(dot)bosnjakovic(at)gmail(dot)com>
To: pgsql-novice(at)postgresql(dot)org
Subject: Re: Table-design for categories, suggestions needed
Date: 2010-08-05 01:32:30
Message-ID: AANLkTimGzX2yKugT_RFd8eVtFpqNnSz5yfucGs6R5fzQ@mail.gmail.com
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On Thu, Aug 5, 2010 at 03:30, Rikard Bosnjakovic
<rikard(dot)bosnjakovic(at)gmail(dot)com> wrote:

> Real example: Top-category "IC", subcat1 "Logic", subcat2 "TTL":

A more readable output:

# select id, name, subcategory_1, subcategory_2 from categories where id > 3;
id | name | subcategory_1 | subcategory_2
----+-------+---------------+---------------
4 | IC | |
6 | Logic | 4 |
10 | CMOS | | 6
11 | TTL | | 6

--
- Rikard

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