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Re: Dynamic structure of a table?!!

From: <sybrandb_at_yahoo.com>
Date: 1 Dec 2005 07:36:14 -0800
Message-ID: <1133451374.804050.33040@g14g2000cwa.googlegroups.com>

Ach C via DBMonster.com wrote:
> Hi all,
> I have an ER diagram which has an entity called "Form" .This is a typical
> electronic Form but number of its fields are not known and may vary at future.
>
> What is the best logical design for this case? If I create a table for this
> Form I should add columns to it in the future.This does not seem nice.Also I
> do not want to use "Entity-Attribute-Value" method as described at:
>
> http://tonyandrews.blogspot.com/2004/10/otlt-and-eav-two-big-design-mistakes.html
>
>
> -Thanks
>
> --
> Message posted via http://www.dbmonster.com

Yet such a meta-approach is the only viable solution and often used by Telecom providers.
If you don't want to use it, you are going to end up with adding columns.

-- 
Sybrand Bakker
Senior Oracle DBA
Received on Thu Dec 01 2005 - 09:36:14 CST

Original text of this message

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