Re: Changing column format

You do not need to change the primary key unless different user names can have the same userid.
Just add a unique + not null constraint on the user name column.

Yechiel Adar
Mehish
----- Original Message -----
To: Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com> Sent: Thursday, November 07, 2002 10:33 PM

> I create a table to store user account information and set "userid" column
> to be primary key. I now want to set "username" to be primary key instead
> of "userid", how do I change it? There are couple hundreds of records in
> table. Please advise.
>
> Thanks,
> David
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> Author: Nguyen, David M
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Please see the official ORACLE-L FAQ: http://www.orafaq.com
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Author: Yechiel Adar
  INET: adar76_at_inter.net.il

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