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RE: FK Constraints

From: <jkstill_at_cybcon.com>
Date: Mon, 19 Mar 2001 19:13:59 -0800
Message-ID: <F001.002D129E.20010319185054@fatcity.com>

Joins do not require the presence of FK's in order to work properly.

Jared

On Mon, 19 Mar 2001 sinardyxing_at_bcsis.com wrote:

> Hi,
>
> I'm a beginner too, but without a table FK (relation) how you make a join
> statements ? Do you normalize your tables ?
>
> The relation model is concerned with logical maters only, not physical
> matters. It addresses three aspects of data, data stucture (object) data
> integrity, and data manipulation.
> The Object (Tables),
> Integrity portion has to do with PK and FK
> Data manipulation (SELECT, JOIN etc)
>
> In addition I think with the Normalized database you will have smaller
> database and easy to maintain (base on object).
>
>
>
> -----Original Message-----
> akhil
> Sent: Tuesday, 20 March 2001 2:05 AM
> To: Multiple recipients of list ORACLE-L
>
>
> Hi all:
>
> We have a situation where are no relationships are
> defined at the database level. i.e no foreign keys
> constraints have established at the Database. The
> application is still at the Development Stage.
>
> Everything is controlled at the application level.
>
> I as the DBA appose this design for Data security and
> also cannot reverse engineer from the tables into
> Designer.
>
> Can you please share you pros / Cons.
>
> Thanks
>
>
>
>
>
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-- 
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-- 
Author: 
  INET: jkstill_at_cybcon.com

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Received on Mon Mar 19 2001 - 21:13:59 CST

Original text of this message

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