> what can I do to solve this?
RTFM about primary keys.  They need to be unique and not null.



[EMAIL PROTECTED] wrote:
> 
> Hallo,
> 
> I am trying to run this script,
> 
> ALTER TABLE PBK.K1
>   ADD CONSTRAINT idx_rollson PRIMARY KEY (BUTIKS_NR)
> 
> but gets the erormessage
> 
> ORA-02437: cannot validate (PBK.IDX_ROLLSON) - primary key violated
> 
> what can I do to solve this? Please help me. Wouldnt it be enough to have unique 
>values in thefield butiks_nr?
> 
> Thanks in advance
> 
> Roland
> 
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-- 
Author: Dennis M. Heisler
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