Re: Bad database design can cause unnecessary coding

From	"Peter H. Coffin" <hellsop@ninehells.com>
Newsgroups	comp.lang.php
Subject	Re: Bad database design can cause unnecessary coding
Date	2012-11-15 12:03 -0600
Organization	A noiseless patient Spider
Message-ID	<slrnkaabjb.4ja.hellsop@nibelheim.ninehells.com> (permalink)
References	<cnKks.137076$Tf3.11521@fx12.am4> <50a50110$0$6882$e4fe514c@news2.news.xs4all.nl>

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On Thu, 15 Nov 2012 15:49:46 +0100, Erwin Moller wrote:
> The only times I don't use a SERIAL is when storing many-to-many 
> relationships.
> For example, when you store many-to-many relationships in a coupletable 
> (not sure if that is the right word):
> eg, a table that links users to their favorite food:
> CREATE TABLE tbluserfavfood(
>    userid integer references tbluser(userid),
>    favfoodid integer references tblfavfood(favfoodid)
> )

Terms common for this are map table, junction table, and intersection
table. There are others, but these three are the most common among
people I work with.

-- 
The true sysadmin does not adjust his behaviour to fit the machine.  He
adjusts the machine until it behaves properly.  With a hammer, if necessary.
      - Brian in the Monastery

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Bad database design can cause unnecessary coding "Tony Marston" <TonyMarston@hotmail.com> - 2012-11-02 07:12 +0000
  Re: Bad database design can cause unnecessary coding "M. Strobel" <sorry_no_mail_here@nowhere.dee> - 2012-11-02 09:53 +0100
    Re: Bad database design can cause unnecessary coding "Tony Marston" <TonyMarston@hotmail.com> - 2012-11-03 09:14 +0000
      Re: Bad database design can cause unnecessary coding "M. Strobel" <sorry_no_mail_here@nowhere.dee> - 2012-11-03 18:01 +0100
        Re: Bad database design can cause unnecessary coding Jerry Stuckle <jstucklex@attglobal.net> - 2012-11-03 15:03 -0400
        Re: Bad database design can cause unnecessary coding "Tony Marston" <TonyMarston@hotmail.com> - 2012-11-04 10:11 +0000
          Re: Bad database design can cause unnecessary coding "Peter H. Coffin" <hellsop@ninehells.com> - 2012-11-04 14:37 -0600
      Re: Bad database design can cause unnecessary coding "M. Strobel" <sorry_no_mail_here@nowhere.dee> - 2012-11-03 19:00 +0100
        Re: Bad database design can cause unnecessary coding "Tony Marston" <TonyMarston@hotmail.com> - 2012-11-04 10:18 +0000
          Re: Bad database design can cause unnecessary coding Jerry Stuckle <jstucklex@attglobal.net> - 2012-11-04 07:29 -0500
  Re: Bad database design can cause unnecessary coding Jerry Stuckle <jstucklex@attglobal.net> - 2012-11-02 06:48 -0400
    Re: Bad database design can cause unnecessary coding Goran <goran@nospam.com> - 2012-11-02 12:34 +0100
      Re: Bad database design can cause unnecessary coding Jerry Stuckle <jstucklex@attglobal.net> - 2012-11-02 07:48 -0400
        Re: Bad database design can cause unnecessary coding "Tony Marston" <TonyMarston@hotmail.com> - 2012-11-03 09:28 +0000
          Re: Bad database design can cause unnecessary coding "J.O. Aho" <user@example.net> - 2012-11-03 10:56 +0100
            Re: Bad database design can cause unnecessary coding "Tony Marston" <TonyMarston@hotmail.com> - 2012-11-04 10:09 +0000
              Re: Bad database design can cause unnecessary coding Jerry Stuckle <jstucklex@attglobal.net> - 2012-11-04 07:32 -0500
              Re: Bad database design can cause unnecessary coding "J.O. Aho" <user@example.net> - 2012-11-04 16:45 +0100
          Re: Bad database design can cause unnecessary coding Jerry Stuckle <jstucklex@attglobal.net> - 2012-11-03 10:52 -0400
      Re: Bad database design can cause unnecessary coding The Natural Philosopher <tnp@invalid.invalid> - 2012-11-02 11:56 +0000
    Re: Bad database design can cause unnecessary coding "Tony Marston" <TonyMarston@hotmail.com> - 2012-11-03 09:17 +0000
      Re: Bad database design can cause unnecessary coding Jerry Stuckle <jstucklex@attglobal.net> - 2012-11-03 10:54 -0400
        Re: Bad database design can cause unnecessary coding Luuk <luuk@invalid.lan> - 2012-11-03 16:06 +0100
          Re: Bad database design can cause unnecessary coding Jerry Stuckle <jstucklex@attglobal.net> - 2012-11-03 11:25 -0400
  Re: Bad database design can cause unnecessary coding Denis McMahon <denismfmcmahon@gmail.com> - 2012-11-02 11:13 +0000
    Re: Bad database design can cause unnecessary coding "Tony Marston" <TonyMarston@hotmail.com> - 2012-11-03 09:31 +0000
      Re: Bad database design can cause unnecessary coding Denis McMahon <denismfmcmahon@gmail.com> - 2012-11-03 13:08 +0000
        Re: Bad database design can cause unnecessary coding Jerry Stuckle <jstucklex@attglobal.net> - 2012-11-03 10:55 -0400
        Re: Bad database design can cause unnecessary coding "Tony Marston" <TonyMarston@hotmail.com> - 2012-11-04 10:04 +0000
  Re: Bad database design can cause unnecessary coding Luuk <luuk@invalid.lan> - 2012-11-03 11:04 +0100
    Re: Bad database design can cause unnecessary coding "Tony Marston" <TonyMarston@hotmail.com> - 2012-11-04 10:30 +0000
  Re: Bad database design can cause unnecessary coding Erwin Moller <erwinmollerusenet@xs4all.nl> - 2012-11-15 15:49 +0100
    Re: Bad database design can cause unnecessary coding "Peter H. Coffin" <hellsop@ninehells.com> - 2012-11-15 12:03 -0600

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