Joins do not require the presence of FK's
in order to work properly.
Jared
On Mon, 19 Mar 2001 [EMAIL PROTECTED] 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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