Oracle FAQ Your Portal to the Oracle Knowledge Grid
HOME | ASK QUESTION | ADD INFO | SEARCH | E-MAIL US
 

Home -> Community -> Usenet -> c.d.o.server -> Re: implications of merging 17 tables into 1...

Re: implications of merging 17 tables into 1...

From: DA Morgan <damorgan_at_psoug.org>
Date: Wed, 27 Jun 2007 08:32:58 -0700
Message-ID: <1182958378.638364@bubbleator.drizzle.com>


nirav wrote:
> Here is one possible scenario that describes to an extent, the
> changes: Say that there are 5 tables and they are related by 4
> referential constraints (I am taking 4 as just one number, there could
> be more relations, but for example say 4). Now when we compress these
> 5 tables into one table, how is does the ref. integrity is taken care
> of? Does the data get exposed to some risk of corruption?

Risk? More like guarantee. It isn't a question of "if" it is a question of "when."

> Perhaps in the same table, there can be ref.

And perhaps not. This is a bad design. You are trying to plant a flower in a garbage dump. It won't make it smell better.

-- 
Daniel A. Morgan
University of Washington
damorgan_at_x.washington.edu (replace x with u to respond)
Puget Sound Oracle Users Group
www.psoug.org
Received on Wed Jun 27 2007 - 10:32:58 CDT

Original text of this message

HOME | ASK QUESTION | ADD INFO | SEARCH | E-MAIL US