Re: Primary Key

Hi

    make sure values in column x must be unique if not then your alter table fail..
HTH pradhan

Genna wrote in message <370EE673.C1F05AE9_at_mailcity.com>...
>I created a table using
>
>create table my_table
>as select x, y , y
>from d
>
>when I alter the constranint
>
>SQL> alter table my_table
> 2 add (constraint my_table_pk primary key (x));
>alter table my_table
>*
>ERROR at line 1:
>ORA-02437: cannot enable (ORGANIZATION.MY_TABLE_PK) - primary key
>violated
>
>
>
>anyone know how to alter the primary key without without getting a
>violation??
Received on Sat Apr 10 1999 - 00:00:00 CDT