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Re: Restricting the range of values in a field

From: Pat Hildebrand <pat_at_ssc.upenn.edu>
Date: Thu, 30 Jan 2003 09:31:44 -0800
Message-ID: <F001.0053F08F.20030130093144@fatcity.com>


Sounds made to order for a check constraint on the column of interest.

                Pat


>
> Is there any way you can specify that the only permissible values (is it
> called a domain?) that can be entered in varchar2 field in an Oracle
> table to, for example, A, B and C?
>
> We can restrict what values users can enter at the application level,
> but it would be nice to be able to also restrict what can be entered at
> the database level, in case other means of entering data are ever used
> or if the application layer fails, for whatever reason, to trap an
> unwanted value.
>
>
> Thanks
>
> --
> Aidan Whitehall <aidanwhitehall_at_fairbanks.co.uk>
> Macromedia ColdFusion Developer

-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.net
-- 
Author: Pat Hildebrand
  INET: pat_at_ssc.upenn.edu

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Received on Thu Jan 30 2003 - 11:31:44 CST

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